How to Grow Tickseed 'Moonbeam'

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Tickseed 'Moonbeam'

Coreopsis verticillata 'Moonbeam'

flower

Tickseed 'Moonbeam' is a compact, herbaceous perennial cultivar known for its delicate, pale yellow flowers that bloom prolifically from early summer through fall. This cultivar features fine, thread-like foliage that creates an airy, feathery appearance in the garden. It is an excellent choice for borders, cottage gardens, and naturalized areas, and is highly attractive to pollinators.

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Example Tickseed 'Moonbeam' timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Tickseed 'Moonbeam'

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Tickseed 'Moonbeam' blooms

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Tickseed 'Moonbeam' dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily minimum; tolerates partial shade but blooms best in full sun
💧
Water: Low water needs once established; prefers dry to medium moisture. Water deeply but infrequently. Drought-tolerant and dislikes wet feet, especially in winter. Reduce watering in fall and winter.
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Spacing: 12 inches
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Days to maturity: 60-90 days to first flowering from transplants; reaches full size in 2 growing seasons
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Planting depth: Plant transplants at soil level; seeds sown on soil surface and lightly pressed

Soil

Type: Well-draining loamy or sandy soil
pH: 6.0-7.0
Amendments:
Compost for initial establishment Perlite or coarse sand to improve drainage Avoid heavy mulching that traps moisture

Growing Zones

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Thrives in zones 3-9, with best performance in zones 4-8

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Seedling/Establishment

2-4 weeks

Delicate thread-like seedlings emerge with fine foliage. Plants establish slowly during first weeks.

Keep soil consistently moist but not waterlogged. Thin seedlings to proper spacing. Provide bright light.

2

Vegetative Growth

4-8 weeks

Compact, bushy mounding form develops. Fine, ferny foliage expands. Plant reaches mature width and height.

Water moderately; begin reducing as plant establishes. Deadhead spent flowers to encourage bushiness. No fertilizer needed if soil is decent.

3

Flowering

8-12 weeks (June-September, often into fall)

Pale yellow, daisy-like flowers appear on thread-like stems held above foliage. Flowers are 1 inch across.

Deadhead regularly to promote continuous blooming. Provide occasional deep watering. Support is rarely needed due to compact form.

4

Peak Bloom & Maintenance

4-8 weeks

Plant is in full flower production. Foliage remains bright green and feathery. Self-seeds readily if flowers are left to mature.

Continue deadheading for nonstop blooms, or allow some flowers to mature for seeds and self-sowing. Reduce watering as temperatures cool.

5

Dormancy/Winter

3-4 months

Foliage dies back in cold climates. In mild zones, foliage may persist but growth slows significantly.

Cut back dead growth in early spring. Do not overwater in winter. Allow plant to dry out. No fertilizer needed. Mulch lightly in cold zones (zone 3-4) if desired.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Plants requiring consistently moist soil Highly competitive perennials Shade-loving understory plants

Common Pests

  • Increase humidity with occasional misting; use insecticidal soap if severe. Avoid overfeeding with nitrogen.

  • Improve air circulation; avoid overhead watering. Remove affected foliage. Apply sulfur dust or neem oil if needed.

  • Remove affected foliage; improve drainage and air circulation. Water at soil level only, not on leaves.

Uses

🍳

Edible Flowers

Culinary

The delicate pale yellow flowers are edible and can be used to garnish salads and desserts, providing a slightly tangy flavor and visual interest to dishes. [source]

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Cut Flowers & Arrangements

Household

Tickseed flowers are excellent for fresh-cut arrangements and retain their delicate beauty in vases for 1-2 weeks. The airy foliage also makes a nice filler in bouquets. [source]

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Pollinator Attraction

Wildlife

The abundant flowers attract butterflies, bees, and other pollinators throughout the blooming season, making it valuable for supporting garden ecosystems and biodiversity. [source]

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Dried Flowers

Craft

Flowers dry well and retain their pale yellow color, making them suitable for dried arrangements, wreaths, and crafts. [source]

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Traditional Herbal Use

Medicinal

Coreopsis species have been used traditionally in Native American herbalism for various preparations, though modern medicinal use is limited. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

This ornamental is grown for flowers, not harvested for food. Deadhead spent blooms weekly to encourage continuous flowering. Flowers are excellent for cutting and will re-bloom profusely if harvested. Allow some flowers to mature and self-seed if desired for naturalizing.

Fun Facts

  • 🌱 'Moonbeam' was selected as a 2016 Perennial Plant Association Plant of the Year, recognized for its exceptional garden performance and low-maintenance nature.
  • 🌱 The common name 'Tickseed' refers to the seed pod shape, which resembles ticks. The seeds are dry, lightweight, and easily distributed by wind and clothing.
  • 🌱 Coreopsis verticillata 'Moonbeam' can bloom for up to 4-5 months continuously if deadheaded regularly, making it one of the longest-blooming perennials for temperate gardens.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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