Coreopsis verticillata – Threadleaf Coreopsis

Coreopsis verticillata - Threadleaf Coreopsis

Threadleaf Coreopsis, Tickseed

Planted, in 2006, next to bird feeder and also in open forest

Family: Asteraceae

Genus: Coreopsis

Species: verticillata

Type: Perennial

Height: 18-24 in. (45-60 cm)

Spacing: 18-24 in. (45-60 cm)

Hardiness: USDA Zone 4a to -34.4 °C (-30 °F)

Sun Exposure: Full Sun

Bloom Color: Bright Yellow

Foliage: Herbaceous

Soil pH from: 6.1 to 6.5 (mildly acidic)

Soil pH to: 7.6 to 8.0 (alkaline)

Propagation Methods: By dividing the rootball From seed; direct sow outdoors in fall From seed; winter sow in vented containers, coldframe or unheated greenhouse From seed; sow indoors before last frost From seed; direct sow after last frost

Seed: Allow seedheads to dry on plants; remove and collect seeds Properly cleaned, seed can be successfully stored

Otherdetails: May be a noxious weed or invasive This plant is attractive to bees, butterflies and/or birds Drought-tolerant; suitable for xeriscaping Self-sows freely; deadhead if you do not want volunteer seedlings next season

Planted: 2006

Updated: 2008

About the Author


Is pushing forward with his design of the Karhula gardens. Favorite quote atm 'Rome was not built in a day'