Blue thimble flower is a slender wildflower with finely-cut leaves and large quantities of beautiful pale-blue to violet-blue flowers in tight 1-1½ in. wide, pincushion-like clusters. Plants grow 1-2 ft. tall. Bloom is from June to October. Blue thimble flower is equally at home in wild gardens as it is borders. Packet is ⅛ ounce, about 6,750 seeds.
Growing Blue Thimble Flower Seeds
Direct sow blue thimble flower seeds into prepared seed beds that have been cleared of weeds and have had the top 1 in. of soil loosened. Rake seed in. Press into soil by walking over the area. Keep moist until germination. Blue thimble flower seed can be started indoors in 2 in. pots.
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Shipping to Canada is $9.99.
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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.