Topas is an improved St. John's Wort with higher (.5%) levels of the active ingredient hypericin, used to treat insomnia and depression. The small, shrubby plants grow to 2 ft. tall, are covered in bright-yellow, ¾-1 in. flowers from early to midsummer.
Growing Topas St. John's Wort Seeds
Sow St. John's wort seeds thinly in cell packs or flats, using a packaged sterile seed starting mix. Barely cover and press firm. Kept at 60° F., germination averages 10-20 days. Transplant into the garden 24 in. apart in full to part sun. Will tolerate drought once established, but looks better with occasional to regular summer water.
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Free shipping on U.S. orders over $60.00.
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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.