Hakone Double Blue balloon flower grows 15-24 in. tall. Marvelous 2-3 in. double blue flowers bloom in summer. Winter hardy plants to zone 3.
Growing Hakone Double Blue Balloon Flower Seeds
Plant Balloon Flower Seeds: Sow seeds in 2 in. pots or cell packs, press into soil but do not cover. Seed needs light to germinate. Kept at 65-70°F., germination is in 21-30 days. Seedlings are fragile, must be handled with care. Transplant seedlings into the garden 1-1.5 ft. apart.
Grow Balloon Flower: Plants prefer part sun to light shade and regular water. Perform well in containers. Taller balloon flower varieties provide excellent cut flowers. To preserve vase-life of blooms, sear stem end with match immediately after cutting. Provide support for tall Fuji and Hakone series balloon flowers; plant in large groups, plants provide support for each other. Or use tomato-type cages to keep plants upright.
Balloon flower plants do not like to be disturbed, rarely need to be divided. Favorite plants can be propagated from cuttings. May self sow. Balloon flower plants appear late in the spring, mark location to avoid disturbing. When old flowers are removed, balloon flowers will occasionally bloom again in early fall. Easy-to-grow, low maintenance plants are deer resistant.
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.