How to Grow and Care for Coreopsis (Tickseed) – Complete Guide

How to Grow & Care for
Coreopsis (Tickseed)

Your complete guide to growing these vibrant, low-maintenance flowers that bloom all summer long

Easy to Grow Drought Tolerant Long Blooming

Meet Coreopsis

Colorful Coreopsis varieties in garden

Quick Facts

  • Common Names: Coreopsis, Tickseed, Calliopsis
  • Botanical Name: Coreopsis spp.
  • Plant Type: Annual, Biennial, Perennial
  • Mature Size: 1-4 feet tall, 1-2 feet wide
  • Hardiness Zones: 2-11 (USDA)
  • Native Area: North America

Why Choose Coreopsis?

  • • Extremely low-maintenance and drought-tolerant
  • • Blooms continuously from summer to fall
  • • Attracts butterflies, bees, and beneficial insects
  • • Over 80 varieties available in multiple colors
  • • Self-seeds and naturalizes easily

Ideal Growing Conditions

Sunlight

Full sun (6-8 hours daily) for best blooming

Tip: Can tolerate partial shade but may be lankier

Soil

Well-draining, sandy or loamy soil preferred

pH: 6.0-7.0 (neutral to slightly acidic)

Water

Drought-tolerant once established

Frequency: Water when top inch of soil is dry

Temperature

Prefers 70-80°F days, 50-60°F nights

Cold Hardy: Most varieties survive to Zone 2

Planting Your Coreopsis

Coreopsis planted in garden containers

When to Plant

From Seeds

Start indoors 6-8 weeks before last frost, or direct sow after frost danger passes

From Transplants

Plant in spring after last frost date

Step-by-Step Planting

1

Choose Your Location

Select a sunny spot with well-draining soil

2

Prepare the Soil

Amend heavy clay with compost for better drainage

3

Space Properly

Plant transplants 12-18 inches apart for air circulation

4

Water Thoroughly

Keep soil moist until established (2-3 weeks)

Popular Coreopsis Varieties

‘Early Sunrise’

Large, semi-double bright yellow flowers. Compact growth habit.

Height: 18-24 inches

‘Moonbeam’

Buttery yellow flowers with fine, thread-like foliage.

Height: 15-20 inches

‘Rosea’

Delicate pink flowers, spreads well as groundcover.

Height: 12-18 inches

‘Ruby Frost’

Bicolor flowers with red centers and white edges.

Height: 18-24 inches

Care & Maintenance

Coreopsis flowers in full bloom

Watering Guidelines

  • • Water regularly until established (first season)
  • • Once mature, water only during extended dry periods
  • • Water deeply but infrequently to encourage deep roots
  • • Avoid overhead watering to prevent fungal issues

Fertilizing Tips

  • • Generally no fertilizer needed – thrives in poor soil
  • • Too much fertilizer reduces flowering
  • • Add compost in spring if soil is very poor
  • • Avoid high-nitrogen fertilizers

Deadheading & Pruning

  • • Remove spent flowers regularly for continuous blooms
  • • Cut back stems by 1/3 in midsummer for fresh growth
  • • Leave some seed heads for winter bird food
  • • Cut to ground level after first frost

Propagation Methods

From Seeds

  • • Start indoors 6-8 weeks before last frost
  • • Plant seeds 1/2 inch deep
  • • Keep soil moist and warm (70°F)
  • • Germination in 2-3 weeks
  • • Self-seeds readily in garden

Division

  • • Divide every 3-5 years in spring or fall
  • • Dig up mature clumps carefully
  • • Split with sharp spade or knife
  • • Ensure each section has roots
  • • Replant immediately and water well

Stem Cuttings

  • • Take 4-6 inch cuttings in summer
  • • Remove lower leaves
  • • Dip in rooting hormone (optional)
  • • Plant in moist potting mix
  • • Keep humid until roots develop

Common Problems & Solutions

Yellowing Leaves

Causes: Overwatering, poor drainage, nutrient deficiency

Solution: Improve drainage, reduce watering, check soil nutrients

Pest Issues

Common Pests: Slugs, snails, aphids

Solution: Improve air circulation, use organic pest control, handpick larger pests

Poor Flowering

Causes: Too much shade, over-fertilizing, insufficient deadheading

Solution: Move to sunnier location, reduce fertilizer, deadhead regularly

Prevention Tips

  • Plant in well-draining soil with full sun exposure
  • Provide adequate spacing for air circulation
  • Water at soil level, not on foliage
  • Remove spent flowers and diseased plant material
  • Avoid overwatering and over-fertilizing

Seasonal Care Calendar

Spring: Plant, divide mature clumps, add compost
Summer: Deadhead regularly, water during dry spells
Fall: Allow seed heads for birds, divide if needed
Winter: Cut back after frost, mulch in cold zones

Garden Benefits

Pollinator Magnet

Attracts butterflies, bees, and beneficial insects throughout the growing season

Low Maintenance

Thrives with minimal care, perfect for busy gardeners and naturalized areas

Drought Tolerant

Excellent choice for water-wise gardens and xeriscaping projects

Happy Gardening…..

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