Almost black foliage and stems create a striking contrast to the bright yellow, 2-3 in. flowers with glowing red centers. ‘Burning Hearts’ blooms the first year from seed, adding late season beauty in the garden and as cut flowers from August through October. Plants reach 3 to 4 ft. tall. Winter hardy to zone 3.
Growing Burning Hearts Heliopsis Seeds
Plant Heliopsis Seeds: Sow heliopsis seed in cell packs or flats, press into soil and cover lightly. Kept at 65 to 70°F., germination averages 21-28 days. Can direct sow heliopsis seeds into prepared seed beds, ⅛ in. deep in groups of 3-4 seeds, spaced 18-24 in. apart. Thin to the strongest seedling.
Grow Heliopsis: Full sun to light shade, likes moderately moist soil, attracts butterflies and other beneficial pollinators. Will thrive in most garden soils, tolerates heavy clay. Heliopsis is deer resistant.
U.S. Shipping Rates
Free shipping on U.S. orders over $45.00.
Free priority shipping on U.S. orders over $125.00.
Standard U.S. shipping is $5.95.
Priority U.S. shipping is $9.95.
International Shipping Rates
Shipping to Canada is $9.95.
International shipping to all other countries is $14.95.
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 replacement packets or issue a refund.