Ever wondered how some gardens boast those vibrant, daisy-like flowers that seem to bloom endlessly? That’s the magic of Coreopsis, commonly known as Tickseed. Renowned for its drought tolerance and deer resistance, this garden favorite attracts beneficial insects while adding striking shades of yellow, pink, and red to your landscape. In this comprehensive guide, you’ll uncover the secrets to growing and caring for Coreopsis effectively, turning your garden into a colorful haven for pollinators and visitors alike.

Understanding Coreopsis (Tickseed)

Coreopsis, commonly known as Tickseed, is renowned for its bright, daisy-like flowers and extended blooming period. This popular garden plant is favored for its resilient nature and captivating appearance, making it a staple in many landscapes.

Visual Appeal and Varieties

Coreopsis comes in a range of vibrant shades including yellow, pink, and red. The diversity in colors enhances the garden’s visual appeal, creating a lively and attractive setting.

Two notable varieties include:

  • “Moonbeam”: Known for its pale yellow flowers and fine foliage, this variety adds a subtle yet elegant touch to any garden.
  • “Early Sunrise”: This variety stands out with its semi-double, golden-yellow blooms that provide a bright and cheery display.

Benefits of Growing Coreopsis

Growing Coreopsis offers several advantages:

  • Attracts Pollinators: The flowers attract beneficial insects like bees and butterflies, promoting a healthy garden ecosystem.
  • Drought Tolerant: Once established, Coreopsis can withstand dry conditions, making it an excellent choice for xeriscaping.
  • Native and Deer-Resistant: Being native to North America, it fits well into local ecosystems and is less likely to be eaten by deer, reducing the need for pest control.
AttributeDetails
Botanical NameCoreopsis spp.
Common NameTickseed
FamilyAsteraceae
Plant TypePerennial, Annual (depending on species)
Mature Size1-3 ft. tall, 1-2 ft. wide
Sun ExposureFull Sun
Soil TypeWell-draining
Soil pHNeutral to slightly acidic
Bloom TimeSummer to Fall
Flower ColorYellow, Pink, Red, Bi-color
Hardiness Zones3-9 (varies by species)
Native AreaNorth America

Ideal Growing Conditions for Coreopsis

Sunlight Requirements

Coreopsis thrives in full sun, requiring 6-8 hours of direct sunlight each day. Adequate sunlight is essential for optimal growth and an abundance of blooms. Without sufficient light, plants may become leggy and produce fewer flowers. To maximize your plant’s potential, choose a location in your garden that receives full sunlight consistently throughout the day.

Soil Preferences

For the best growth, Coreopsis prefers well-draining, loamy, or sandy soil with a neutral to slightly acidic pH. This type of soil prevents waterlogging and provides the aeration needed for healthy root development. If your soil quality is poor or lacks proper drainage, amend it with compost or organic matter. This not only improves texture but also boosts fertility, giving your plants the nutrients they need to flourish.

Watering Needs

Newly planted Coreopsis requires regular watering to establish a strong root system. Water deeply and consistently during the initial few weeks. Once established, these plants are drought-tolerant but will benefit from occasional watering to encourage better blooms. For best results:

  • Water deeply rather than shallowly.
  • Allow the top inch of soil to dry out between waterings.
  • Adjust frequency based on local climate conditions, more in dry periods.

Temperature and Humidity

Coreopsis tolerates a range of temperatures but thrives best in daytime temperatures between 70-80°F and nighttime temperatures between 50-60°F. This temperature range supports robust growth and prolific blooming. The plant is adaptable to different climates but pays special attention to high humidity, which can sometimes foster fungal diseases. To manage humidity:

  • Ensure good air circulation by spacing plants adequately.
  • Avoid overhead watering to reduce damp foliage.
  • Use mulch to maintain even soil moisture without increasing humidity around the leaves.

Climate Adaptability

Coreopsis is highly adaptable and can be grown in a wide range of climates, from USDA hardiness zones 3 to 9. It performs well both in cooler regions and hotter, more arid areas, provided its basic needs for sunlight, soil, and water are met. Its resilience makes it a valuable addition to varied garden settings, including xeriscapes and traditional cottage gardens.

AttributeDetails
Sunlight RequirementsFull Sun (6-8 hours)
Soil TypeWell-draining, loamy or sandy
Soil pHNeutral to slightly acidic
Watering NeedsRegular for new plants, occasional for established plants
Temperature70-80°F (Day), 50-60°F (Night)
HumidityAvoid high humidity
USDA Hardiness Zones3-9

Planting Coreopsis: Step-by-Step Guide

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Best Time to Plant Coreopsis

To ensure optimal growth, plant Coreopsis in the spring after the last frost date. This timing allows the plant to establish roots without the risk of freeze damage. Planting at this time also maximizes the growing season, giving Coreopsis ample time to flourish and bloom.

Site Selection and Preparation

Choose a site that receives full sun for at least 6-8 hours a day. Adequate sunlight is crucial for vibrant blooms and healthy growth. Ensure the location has well-draining soil to prevent root rot, which can be detrimental to the plant. If your soil is heavy clay or lacks good drainage, amend it with compost or organic matter to improve its structure and nutrient content.

Step-by-Step Planting Instructions

  1. Site Preparation: Begin by preparing the planting site. Turn the soil to a depth of about 12 inches and mix in compost to enhance nutrient content and drainage.
  2. Spacing: Space the plants 12 to 18 inches apart. Proper spacing allows for adequate air circulation, reducing the risk of fungal diseases and promoting robust growth.
  3. Planting Depth: Dig a hole that is twice as wide and the same depth as the root ball. Place the plant in the hole, ensuring the top of the root ball is level with the surrounding soil. Fill the hole with soil, gently pressing it down to eliminate air pockets.
  4. Watering: Water thoroughly after planting to settle the soil around the roots. This initial watering is crucial for helping the plant establish itself in its new environment.

Initial Care After Planting

  • Watering: Maintain consistent soil moisture during the initial weeks after planting. Water deeply once a week, allowing the soil to dry slightly in between waterings. This encourages the development of a deep root system, which is vital for the plant’s drought tolerance.
  • Mulching: Apply a 2-3 inch layer of organic mulch around the base of the plant. Mulching helps retain soil moisture, suppress weeds, and regulate soil temperature.

    5 Key Steps for Planting Coreopsis Successfully

  1. Choose a sunny location.
  2. Prepare the soil with compost if needed.
  3. Plant after the last frost.
  4. Space plants 12-18 inches apart.
  5. Water regularly until established.
AttributeDetails
Optimal Planting TimeSpring (after last frost)
Sunlight RequirementsFull Sun (6-8 hours)
Spacing12-18 inches apart
Soil PreparationAmend with compost for drainage
Initial WateringWater thoroughly to settle soil
Mulching2-3 inches of organic mulch

Coreopsis Care and Maintenance

General Care Requirements

Proper care ensures the healthy growth and prolonged flowering of Coreopsis. Start with regular watering, especially during dry spells. Though drought-tolerant once established, maintaining soil moisture promotes lush growth and abundant blooms. Consistently deadhead spent flowers to encourage continuous blooming. Removing faded flowers channels energy into producing more buds, extending the flowering season significantly.

Fertilization Needs and Soil Amendments

Minimal fertilization is required for Coreopsis. In early spring, apply a thin layer of compost around the base of the plants. This provides essential nutrients without the risk of over-fertilization, which can lead to leggy growth. If additional feeding is necessary, a balanced, slow-release fertilizer applied once during the growing season is usually sufficient.

Pruning Techniques and Timings

Pruning plays a crucial role in maintaining the shape and vigor of Coreopsis. In late summer, consider cutting back the plants by one-third. This encourages a second wave of blooms and keeps the plant looking tidy. Additionally, removing any dead or diseased foliage helps prevent the spread of plant diseases and promotes healthy growth.

Pest and Disease Management

Coreopsis is relatively resistant to pests and diseases, yet some common issues can arise. Aphids and spider mites are the usual culprits. Monitor plants regularly and, if detected, use insecticidal soap or neem oil to manage infestations. Ensuring good air circulation by proper plant spacing and avoiding overhead watering can significantly reduce fungal diseases such as powdery mildew and root rot.

Long-term Maintenance

For long-term health, incorporate mulching and winter care into your routine. Mulching with organic materials retains soil moisture, suppresses weeds, and regulates soil temperature. In late winter or early spring, remove any dead foliage to prepare for new growth. This step helps rejuvenate the plants and sets the stage for a vibrant growing season.

Coreopsis Care Tips

    Care AspectDetails
    WateringRegular for new plants, occasional for established ones
    DeadheadingRemove spent flowers to encourage continuous blooming
    FertilizationMinimal; compost in spring is usually sufficient
    PruningCut back by one-third in late summer
    PestsCommon pests include aphids and spider mites; manage with insecticidal soap

    Propagating Coreopsis

    Introduction to Propagation and Its Benefits

    Propagating Key Concept: Propagation is a simple way to enhance plant vigor and expand your garden’s coverage. It allows you to grow more plants from existing ones, ensuring genetic continuity and a more resilient garden. It is an excellent strategy for creating a lush, uniform garden, and it can be done through seeds, cuttings, or division.

    Seed Propagation

    Seed propagation is a straightforward and cost-effective method. You can either start seeds indoors or sow them directly in the garden.

    Timing and Sowing Techniques:

    • Starting Indoors: Begin 6-8 weeks before the last frost. Fill seed trays with a light, well-draining potting mix. Sow seeds lightly on the soil surface and gently press them down. Keep the soil moist and place trays under grow lights or in a sunny window. Transplant outdoors after the danger of frost has passed.
    • Direct Sowing: Once the soil has warmed in spring, scatter seeds over prepared soil and lightly cover them with a thin layer of soil. Keep the area moist until seeds germinate.

    Propagation by Cuttings

    Cuttings offer another practical method to propagate Coreopsis, especially during the summer when the plants are actively growing.

    Steps to Take and Root Cuttings Successfully:

    1. Selecting Cuttings: Choose healthy, non-flowering stems about 4-6 inches long.
    2. Preparing Cuttings: Remove the lower leaves, leaving only a few at the top.
    3. Rooting Cuttings: Dip the cut end in rooting hormone and insert it into a pot filled with a well-draining mix of perlite and peat. Water well and cover with a plastic bag to create a humid environment.
    4. Caring for Cuttings: Place the pot in indirect light. Keep the soil moist but not soggy. Roots should develop in 4-6 weeks, after which you can transplant the cuttings into the garden.

    Division of Coreopsis Plants

    Dividing plants is an efficient way to rejuvenate older plants and increase your stock. It is best done in spring or fall when the plants are not in bloom.

    Best Times for Division and Steps Involved:

    1. Timing: Perform division either in early spring as new growth starts or in the fall when blooming has finished.
    2. Digging Up the Plant: Carefully dig around the plant and lift it from the ground, trying to keep the root ball intact.
    3. Dividing the Plant: Use a sharp knife or spade to divide the root ball into smaller sections, each with several shoots and a good portion of roots.
    4. Replanting: Replant the divisions promptly at the same depth they were growing before. Water thoroughly to help establish the new divisions.

    3 Methods of Propagating Coreopsis

      Propagation MethodDetails
      SeedsStart indoors 6-8 weeks before last frost or direct sow in spring.
      CuttingsTake 4-6 inch cuttings in summer, use rooting hormone, and place in a humid environment.
      DivisionDivide in spring or fall for rejuvenation and propagation.

      Growing Coreopsis in Containers

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      Advantages of Container Gardening with Coreopsis

      Growing Coreopsis in containers offers several benefits. Containers provide flexibility in placement, allowing you to move the plants to optimal light conditions or protect them from harsh weather. This mobility is particularly useful for extending the blooming period by relocating the containers as needed. Additionally, container gardening can simplify the management of soil quality and drainage, ensuring your Coreopsis thrives regardless of garden soil conditions.

      Container Requirements

      To successfully grow Coreopsis in containers, choose pots that are at least 8-10 inches deep and wide. Adequate drainage is crucial, so ensure your chosen containers have drainage holes to prevent waterlogging, which can lead to root rot. Opt for loamy or sandy soil that is well-draining to provide the necessary aeration and nutrient availability for healthy growth.

      Care Tips for Potted Coreopsis

      Proper care involves regular watering and minimal fertilization. Potted plants dry out faster than those in the ground, so maintain consistent moisture without overwatering. Use a balanced, slow-release fertilizer sparingly to avoid nutrient build-up, which can harm the plant. Given their rapid growth, Coreopsis in containers may require annual division or repotting to manage growth and rejuvenate the plants.

      Container SizeSoil TypeDrainage NeedsCare Tips
      8-10 inches deep and wideLoamy or sandyEssentialRegular watering, minimal fertilization, annual repotting

      Common Pests and Diseases of Coreopsis

      Common Pests

      Several pests can affect Coreopsis, compromising its health and aesthetics:

      Aphids

      These small, sap-sucking insects can cause stunted growth and distorted leaves. They often cluster on new growth and can secrete a sticky substance known as honeydew, which leads to sooty mold.

      Prevention Tips:

      • Introduce beneficial insects like ladybugs that prey on aphids.
      • Regularly inspect plants for early signs of infestation.

      Spider Mites

      Spider mites are tiny, and they use their piercing mouthparts to feed on plant juices, causing yellowing and stippling of leaves.

      Prevention Tips:

      • Maintain adequate humidity around the plants.
      • Wash the leaves with a strong jet of water to dislodge mites.

      Snails

      Snails prefer young leaves and seedlings and can create large, irregular holes in foliage.

      Prevention Tips:

      • Use barriers like copper tape around the plants.
      • Remove debris from the garden to reduce hiding places.

      Common Diseases

      Coreopsis can also be afflicted by certain diseases, particularly in wet conditions:

      Powdery Mildew

      This fungal disease appears as white, powdery spots on the leaves and stems. High humidity and insufficient air circulation exacerbate the problem.

      Prevention Tips:

      • Plant in full sun to reduce humidity.
      • Space plants adequately to enhance air circulation.

      Root Rot

      Root rot occurs when the soil remains too wet, leading to mushy roots and a decline in plant vigor.

      Prevention Tips:

      • Ensure the soil is well-draining.
      • Avoid overwatering and improve soil drainage by adding compost.

      Practical Solutions for Pest and Disease Management

      To manage pests and diseases effectively, consider the following measures:

      • Insecticidal Soap and Neem Oil: These natural remedies can manage many common pests. Apply them as per instructions to minimize harm to beneficial insects.
      • Proper Care Practices: Maintain healthy plants through adequate watering, proper spacing, and regular inspection. These practices enhance the plant’s resilience against pests and diseases.

      5 Common Pests and Diseases of Coreopsis:

        Pest/DiseaseSymptomsPrevention
        AphidsStunted growth, distorted leaves, honeydewIntroduce beneficial insects, inspect plants regularly
        Spider MitesYellowing leaves, stipplingMaintain humidity, wash leaves with water
        SnailsIrregular holes in foliageUse barriers, remove garden debris
        Powdery MildewWhite, powdery spots on leaves and stemsPlant in full sun, ensure good air circulation
        Root RotMushy roots, plant declineEnsure well-draining soil, avoid overwatering

        Winter Care for Coreopsis

        Winter Care Needs of Perennial Coreopsis

        Perennial varieties of Coreopsis are hardy and generally do not require extensive winter protection. However, it is important to continue regular watering until the first frost. Consistent moisture supports the plants as they transition into dormancy, ensuring they remain healthy and robust through the colder months.

        Preparing Coreopsis for Winter

        Proper preparation is crucial for ensuring the longevity of your Coreopsis plants through winter. After the first frost, cut back the stems to the ground. This practice helps reduce potential disease and pest harborage over the winter and prepares the plant for fresh growth in the spring.

        Then, insulate the roots by applying a 2-3 inch layer of mulch around the base of the plant. This mulch acts as a blanket, protecting the roots from extreme temperature fluctuations and preserving soil moisture.

        Ensuring Healthy Regrowth in Spring

        To ensure healthy regrowth in spring, remove the mulch after the danger of the last frost has passed. This allows new shoots to emerge without obstruction and helps to warm the soil faster. Additionally, monitor soil moisture levels and begin regular watering as new growth starts to appear.

        3 Key Steps for Winterizing Coreopsis:

        1. Water until the first frost.
        2. Cut back stems to the ground.
        3. Mulch the roots.
        StepDetails
        WateringContinue regular watering until the first frost.
        Cutting Back StemsCut back stems to the ground after the first frost.
        MulchingApply a 2-3 inch layer of mulch to insulate roots.
        Spring PreparationRemove mulch after the last frost and resume regular watering.

        Landscaping with Coreopsis

        Winter Care for Coreopsis-4.jpg

        Versatility in Garden Design

        Coreopsis is exceptionally versatile and can enhance various garden settings. Its bright, daisy-like flowers add visual interest to borders, making them more lively and appealing. In meadow plantings, Coreopsis blends seamlessly with native grasses and wildflowers, creating a naturalistic and vibrant landscape. Additionally, it suits wildflower plantings, where it contributes to a diverse and colorful array of blooms.

        Companion Planting with Coreopsis

        Pairing Coreopsis with the right companions can boost the overall health and aesthetics of your garden. Coneflowers (Echinacea), Blazing Star (Liatris), Rudbeckia, and Gaillardia are excellent choices.

        These plants not only complement Coreopsis in color and form but also thrive under similar growing conditions, simplifying garden maintenance. The combination of these plants creates a cohesive and visually pleasing display that offers varying heights, textures, and colors.

        Creating Visually Appealing Landscapes

        To create stunning landscapes, consider using Coreopsis to attract butterflies and other pollinators. Plant taller varieties like “Early Sunrise” in meadows or larger garden spaces where they can stand out without being overshadowed.

        For borders and pollinator gardens, mix shorter varieties such as “Moonbeam” with other flowering plants to ensure a continuous display of color throughout the season. Grouping plants in odd numbers (e.g., three or five) can make your garden look more natural and balanced.

        4 Garden Settings for Coreopsis:

          SettingBenefits
          BordersBrightens up garden edges with vibrant flowers.
          MeadowsCreates a natural, colorful landscape.
          Wildflower PlantingsIncreases biodiversity and visual appeal.
          Pollinator GardensAttracts and supports butterflies and other pollinators.

          Diversity of Coreopsis Varieties

          Coreopsis offers a wide array of varieties that differ mainly in color and growth habits. This diversity adds aesthetic appeal and allows gardeners to choose plants that best fit their garden’s design and needs. With blooms in shades of yellow, pink, and red, along with varying heights and forms, Coreopsis can complement any landscape setting.

          “Moonbeam”: This variety is cherished for its pale yellow flowers and fine, delicate foliage. It has a compact growth habit, typically reaching about 1-2 feet in height, making it ideal for borders and small garden spaces.

          “Creme Brulee”: Known for its vibrant yellow blooms and robust growth, “Creme Brulee” is similar in appearance to “Moonbeam” but tends to be more vigorous. It flourishes in a range of garden settings, from formal borders to informal cottage gardens.

          “Early Sunrise”: Boasting semi-double, golden-yellow flowers, “Early Sunrise” is perfect for adding a burst of color to any garden. This variety grows taller, reaching heights of 16-20 inches, and is known for its reliable blooming throughout the summer.

          “Flying Saucers”: Unique for its sterile yellow flowers, “Flying Saucers” won’t self-sow, making it a more manageable option for gardeners who want to control plant spread. This variety is strong and durable, consistently returning each year without the risk of becoming invasive.

          “American Dream”: Unlike the typical yellow blooms of other varieties, “American Dream” features charming pink flowers. It grows to about 8-16 inches and, while it may need some protection in colder climates, its distinctive color can add a special touch to any garden.

          Choosing the Right Variety

          When deciding on a Coreopsis variety for your garden, consider the following factors:

          • Color Preferences: With options in yellow, pink, and bi-color, select a variety that complements your garden’s color scheme.
          • Growth Habit: Choose a compact variety like “Moonbeam” for small spaces or borders, or a taller variety like “Early Sunrise” for meadows and larger areas.
          • Maintenance Needs: If you prefer lower maintenance, “Flying Saucers” offers controlled growth without self-sowing, whereas “American Dream” might require more attention in colder climates.

          5 Popular Coreopsis Varieties:

            VarietyColorHeightSpecial Features
            MoonbeamPale yellow1-2 ft.Delicate foliage, compact growth
            Creme BruleeYellow2-3 ft.Vigorous growth, bright blooms
            Early SunriseGolden-yellow16-20 in.Semi-double flowers, prolific blooming
            Flying SaucersYellow1-2 ft.Sterile flowers, no self-sowing
            American DreamPink8-16 in.Cold-sensitive, unique color

            Troubleshooting Common Problems with Coreopsis

            Poor Flowering

            One common issue with Coreopsis is poor flowering. This often happens because of insufficient sunlight or overcrowding. Coreopsis thrives in full sun, requiring at least 6-8 hours of direct light daily.

            If your plants are not blooming well, ensure they’re placed in a location where they receive adequate sunlight. Overcrowding can also inhibit flowering by restricting air circulation and root growth. To solve this, space your plants 12-18 inches apart to allow them to flourish.

            Yellowing Leaves

            Yellowing leaves in Coreopsis can be caused by overwatering or nutrient deficiencies. Overwatering leads to waterlogged soil, which suffocates the roots and causes yellow foliage.

            Ensure your soil is well-draining and water only when the top inch of soil is dry. Additionally, nutrient deficiencies, particularly nitrogen, can lead to yellow leaves. Incorporate a balanced, slow-release fertilizer or compost in the spring to supply essential nutrients.

            Sunburned Leaves

            Sunburned leaves appear as scorched or bleached patches on the foliage, often due to sudden exposure to intense sunlight. Gradually acclimate your Coreopsis to full sun by initially exposing the plants to indirect light and slowly increasing direct sunlight over a period of days to weeks. This practice helps toughen the leaves, making them more resilient to direct sun.

            3 Common Problems and Their Solutions

              ProblemSymptomsSolution
              Poor FloweringFew or no bloomsAdequate sunlight, proper spacing
              Yellowing LeavesYellowing, wilting foliageAdjust watering, check soil nutrients
              Sunburned LeavesScorched or bleached patchesGradual acclimatization to full sunlight

              Final Thoughts on How to Grow and Care for Coreopsis (Tickseed)

              Coreopsis, or tickseed, shines in gardens with its daisy-like flowers and various shades, attracting pollinators and tolerating drought. Thriving in full sun and well-drained soil, it requires minimal but regular care. Planting after the last frost, providing proper spacing, and watering until established are key for successful growth.

              By following the care and maintenance guidelines, including deadheading and minimal fertilization, you can ensure vibrant and healthy plants. Propagation methods, container growing tips, and winter care strategies further enhance its appeal.

              Embrace these tips to enjoy a flourishing, colorful garden with resilient Coreopsis.

              FAQ

              How to grow and care for coreopsis tickseed?

              To grow and care for Coreopsis tickseed, plant in full sun and well-drained soil, water regularly until established, and deadhead spent flowers to promote continuous blooming.

              Why is coreopsis called tickseed?

              Coreopsis is called tickseed because its seeds resemble ticks. The name is derived from the Greek words “koris” (bug) and “opsis” (view), referring to the seed’s appearance.

              What are coreopsis water requirements?

              Coreopsis requires regular watering until established. Once mature, it is drought-tolerant but benefits from occasional watering during prolonged dry periods to ensure better blooms.

              Does tickseed come back every year?

              Yes, tickseed (Coreopsis) is a perennial and will come back every year when planted in suitable conditions.

              How do you keep coreopsis blooming all summer?

              To keep Coreopsis blooming all summer, deadhead spent flowers regularly and ensure the plant receives full sun and adequate water.

              Where is the best place to plant tickseed?

              The best place to plant tickseed is in a location that receives full sun, with well-draining soil and good air circulation.

              Do you deadhead tickseed coreopsis?

              Yes, you should deadhead tickseed Coreopsis regularly to promote continuous blooming and maintain a neat appearance.

              What are coreopsis perennial varieties?

              Popular Coreopsis perennial varieties include “Moonbeam,” “Early Sunrise,” and “Zagreb,” known for their long-lasting blooms and easy care.

              How to grow coreopsis from seed?

              To grow Coreopsis from seed, sow seeds directly in the garden in spring or start indoors 6-8 weeks before the last frost. Plant seeds in well-draining soil and provide full sun.

              When does tickseed bloom?

              Tickseed typically blooms from late spring through fall, providing a long display of bright, daisy-like flowers in various colors.

              What is coreopsis winter care?

              Coreopsis winter care involves cutting back stems to the ground after the first frost and applying a 2-3 inch layer of mulch to insulate the roots, removing mulch after the last frost threat passes.

              Can coreopsis be grown in pots?

              Yes, coreopsis can be grown in pots. Use containers at least 8-10 inches deep and wide with good drainage, and ensure they receive full sun and regular watering.