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Coreopsis
Coreopsis spp.
flowerCoreopsis, commonly known as tickseed, is a cheerful perennial or annual flower prized for its bright yellow, pink, or red blooms and prolific flowering habit. These low-maintenance plants are native to North America and are beloved by gardeners for their ability to bloom continuously from early summer through fall with minimal care. They attract pollinators and provide vibrant color to borders, containers, and wildflower gardens.
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-9; some tender varieties grow as annuals in zone 10
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Growth Stages
Germination
7-14 daysTiny seedlings emerge with two seed leaves (cotyledons); very delicate
Keep soil consistently moist but not waterlogged. Provide bright light. Thin seedlings to proper spacing once they develop true leaves. Avoid damping off by ensuring good air circulation.
Vegetative Growth
4-8 weeksPlant develops increasingly finely-textured, feathery foliage; forms bushy mound. Gradually increases in height and width
Water regularly to establish deep root system. Provide full sun for best growth. Pinch back tips in early growth to encourage branching and bushier form. Apply balanced fertilizer monthly or use slow-release formula.
Bud Formation & Flowering
8-16 weeks or longerFirst flower buds appear at branch tips; flowers open in succession over many weeks. Plant becomes covered with colorful blooms
Deadhead spent flowers regularly to encourage continuous blooming. Water during drought periods. Reduce nitrogen fertilizer to avoid excessive foliage at expense of flowers. Stake tall varieties if needed.
Peak Bloom & Maintenance
6-12 weeksPlant is in full flower production with hundreds of blooms at various stages. Growth slows; energy goes to flowering
Continue deadheading for maximum blooms. Maintain moderate watering. Watch for pests and disease. In hot climates, afternoon shade helps flowers last longer. Perennials may rest briefly in midsummer heat.
Senescence & Dormancy
Variable; perennials overwinterFlowering gradually declines as daylight shortens and temperatures cool (fall). For perennials, foliage dies back after frost; annuals finish their lifecycle
Stop fertilizing in late summer. Allow some seed heads to remain for wildlife and self-seeding. Cut back perennials to 3-4 inches after first frost. Mulch perennials in colder zones for winter protection.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Handpick in early morning; use Japanese beetle traps away from plants; apply neem oil or insecticidal soap
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Increase humidity by misting; spray with strong water stream; use miticide if severe; improve air circulation
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Spray with water; apply insecticidal soap or neem oil; encourage natural predators like ladybugs
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and
Hand-remove; use copper tape barriers; apply diatomaceous earth; set beer traps
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Ensure good air circulation; avoid wetting foliage; apply sulfur or fungicide if needed; remove affected leaves
Uses
Edible garnish
CulinaryCoreopsis flowers are edible and can be used as beautiful, peppery garnishes on salads, desserts, and cocktails. They add vibrant color and mild flavor to culinary creations. [source]
Cut flowers and arrangements
HouseholdCoreopsis makes excellent fresh-cut flowers for bouquets and vases, with a long vase life of 5-7 days. The delicate blooms are also valuable for dried flower arrangements and craft projects. [source]
Pollinator support
WildlifeCoreopsis is an excellent source of nectar and pollen for bees, butterflies, and other pollinators, supporting garden biodiversity. The flowers bloom prolifically throughout the season when other food sources may be scarce. [source]
Dried flowers
CraftCoreopsis flowers dry exceptionally well and retain their bright colors, making them ideal for dried floral arrangements, wreaths, and other craft projects. Allow flowers to dry on the stem or hang-dry bundles. [source]
Traditional herbal use
MedicinalSome Coreopsis species have been used in traditional Native American and folk medicine for various purposes, though scientific validation is limited. Always consult healthcare providers before using for medicinal purposes. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Coreopsis is primarily grown for ornamental flowers. Cut flowers in early morning when blooms are fully open but fresh. Harvest when petals are fully unfurled for longest vase life (5-7 days in water). Deadhead spent flowers throughout the season to encourage continuous blooming and prevent self-seeding (unless you want volunteers). Collect seed in fall by letting final blooms dry on plant, then harvest dried seed heads for storage or immediate sowing.
Fun Facts
- 🌱 The common name 'tickseed' comes from the seed's resemblance to ticks, though the botanical name Coreopsis derives from Greek words meaning 'bug-like appearance' (referring to the seed pods).
- 🌱 Coreopsis is extremely drought-tolerant once established and thrives in poor, sandy soils where many other plants struggle, making it ideal for xeriscape gardens and low-water landscapes.
- 🌱 Some varieties bloom so profusely and continuously that they may produce thousands of flowers over a single growing season without deadheading, and they readily self-seed to create naturalized wildflower drifts.
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