Start early
10–16 weeks ahead; do not cover.
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A seed worth growing
A long-lasting white sea holly.
White Glitter has silvery white flowers with a metallic sheen and lasts a long time cut.
Tough, long-lived plants send up long, sturdy stems and take heat and full sun in stride. Expect flowers from the second season onward, busy with bees and other helpful insects. Also known as flat sea holly or plains eryngo; hardy from Zone 3 to Zone 8.
Flowers from the second year, on plants 40–46" tall. Open-pollinated.
In stock — Packet
Know before you sow
Growing times vary with weather, soil and local conditions.
10–16 weeks ahead; do not cover.
55–60°F, under 70°F.
Sandy soil, little water.
Whole head and bracts.
About 7–10 days at 22–24°C (72–75°F).
Recommended. Sow 10–16 weeks ahead of transplanting, uncovered, since light is needed; water from below or mist. Move seedlings to cell packs or 2–4" pots 5–8 weeks after they emerge. Harden off and plant out once the last frost has passed.
Grow seedlings at 13–16°C (55–60°F), and keep them below about 21°C (70°F).
18–24". Clumps spread slowly and can be left in place for years.
Dry, sandy soil; tolerates salty ground. Easily harmed by overwatering.
Full sun.
Cut when the whole head and its bracts have turned blue or white, depending on variety. Hang to dry, or use a desiccant to keep more color.
Fresh and dried flowers; the middle of a perennial border. Also called sea holly.
Zones 3–8.
25 seeds.
About 15,200 on average.
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