Bright semi-double, golden yellow 2-3 in. flowers in summer and fall. Easy to grow, Sunburst coreopsis can bloom within 11 weeks from sowing. Plants grow to 3 ft. tall, are winter hardy to zone 4.
Growing Sunburst Coreopsis Seeds
Plant Coreopsis Seeds: Sow coreopsis seeds in cell packs or flats, press into soil but do not cover. Needs light to germinate. Kept at 65° F., germination is in 21-30 days. Transplant into the garden 1-1.5 ft. apart.
Grow Coreopsis: Full Sun. Rising Sun, Sterntaler, Sunburst, and Sun Up coreopsis are heat and humidity tolerant, and will thrive with moderate to little water. American Dream coreopsis likes mild summer temperatures, afternoon shade in warm climates and moist, even wet soil. Coreopsis require little maintenance, and are rabbit and deer resistant. Shear plants back occasionally to promote continuous flowering. Coreopsis flowers attract bees, birds, and butterflies.
U.S. Shipping Rates
Free shipping on U.S. orders over $60.00.
Free priority shipping on U.S. orders over $150.00.
Standard U.S. shipping is $5.99.
Priority U.S. shipping is $9.99.
International Shipping Rates
Shipping to Canada is $13.99.
International shipping to all other countries is $15.99.
We guarantee all the seeds we sell for one full year from the date of purchase. If you are unsatisfied with any seeds purchased from Swallowtail Garden Seeds, we will issue a refund. For customers in the U.S., we can send one-time replacements or issue a refund.