True blue flower spikes are abundant for weeks on bushy 3' plants. Grey-green foliage. Light aids germination. Start indoors in warm location (do not cover seed) 4–6 weeks before last frost, keep fairly dry for best foliage color, and transplant outdoors after danger of frost. Perennial in Zone 8-10, grown as an annual. ~900 seeds/g. Especially attractive to pollinators. ③
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