Visit our website to get added to our email list for special promotions, information on new products coming, & more: Gardeningtreasures.com This listing is for a package of 30 Sweet William Black Adder seed. (Dianthus barbatus) Tender perennial plants best grown as an annual. May return in milder regions. (Zones 6-8) First year flowering!! Approx 3 mos to flower from seeding The rich deep color of the blooms & foliage is striking! Large 2-4 1/2 purple-black bloom heads on deep blackish purple-red foliage. Excellent as cut flowers, or for containers, borders, or mass plantings with color at all stages. The blooms have a sweet smell that is heavenly! Direct sow early spring when a light frost is still possible. Plants like cool temperatures. Plant height 16-24 Spacing 6 apart Please reach out to us with any planting or growing questions you may have! Notice to buyers. With all seed purchases it is assumed that the buyer does some research & applies due diligence to provide the correct germination/growing environment possible. We do not send specific growing instructions with every order (to keep costs down & guarantee free shipping) We are most definitely here to answer questions you might have to help you be successful. Just message us! & if something did not go well please reach out to us! 30 Sweet William Black Adder Seeds