Exposure Full-sun
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Eryngium planum. This drought tolerant perennial thrives in sandy, well drained soil. Its stiff, spiny leaves are bluish green with silvery veins. It forms a clump over time, and blooms from June to September. The blue flowers and foliage provide superb contrast against brighter flowers or against areas of summer drought. Direct sow the seeds in autumn, or stratify in the fridge for three weeks if sowing in the spring. This involves planting into moist soil and enclosing the container in a plastic bag in the fridge. When the three weeks are up, move the bagged container into a warm room and await germination. Either way, this simulation of winter improves germination in Sea Holly seeds. This species type grows to 50cm (20") tall.
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General
General
Good drainage is fundamental to growing this plant.
Latin
Latin
Eryngium planum
Family: Apiaceae
Difficulty
Difficulty
Somewhat challenging
Exposure
Exposure: Full sun
Zone: Hardy to Zone 5
Timing
Timing
Germination can be slow, and the seeds benefit from vernalization. Sow pre-moistened flats and seal them in plastic bags in late winter. Refrigerate for two to three weeks. Then move the flats outdoors to a shady location after all threat of frost has passed. Transplant as seedlings appear, which usually takes two to three weeks. Or, more simply, direct sow in the fall.
Starting
Starting
Sow seeds 2mm (1/8″) deep. Germination can take 5 to 90 days, so be patient.
Growing
Growing
Water only during very dry spells. Carefully mulch around the crowns with fine gravel to keep plants dry over winter. The long taproots make transplanting difficult.
West Coast Seeds is a family-owned company that embraces an organic lifestyle. A group of imagination catalysts and passionate educators, dedicated to producing products and services that better the environment. As part of our mission to repair the earth, we aim to inspire and empower people to take responsibility for the state of the planet. For us, organic is about much more than saying no to chemicals, it is about saying yes to building a healthy soil for the future.
For over 35 years, we have upheld our strong reputation as a leading seed supplier, seeking out the highest quality untreated seeds for organic growing and putting them through rigorous independent testing. We built our company on the exchange of generational wisdom in a masterclass community of newbies and masters alike. Our world may have changed, but our commitment to our people, our customers, and our planet has not.
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Gardens don’t just grow seeds. They grow minds and imaginations, people and communities. Our vision encompasses both the micro and the macro. We eat locally, protect pollinators, teach people to grow from seed, and support regional biodiversity. We think big but act small and deliver unexpected impact — always with community and purpose.
At West Coast Seeds we believe in the power of small and that little can be large. Like the tiniest seed germinates to evoke incremental change with massive potential, so to can our community of gardeners and growers together. Gardeners are the earth’s stewards, planting seeds of creative declaration. The soil provides the canvas, we provide the seeds.
Germination can be slow, and the seeds benefit from vernalization. Sow pre-moistened flats and seal them in plastic bags in late winter. Refrigerate for two to three weeks. Then move the flats outdoors to a shady location after all threat of frost has passed. Transplant as seedlings appear, which usually takes two to three weeks. Or, more simply, direct sow in the fall.
Sow seeds 2mm (1/8″) deep. Germination can take 5 to 90 days, so be patient.
Water only during very dry spells. Carefully mulch around the crowns with fine gravel to keep plants dry over winter. The long taproots make transplanting difficult.
