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Genus: Macleaya
Species: cordata
Family Name: Papaveraceae
Seed Catalogue No.: 830D
English Name(s): Plume Poppy
Hardiness: Hardy
Lifecycle: Perennial
Colour: White Cream
Flowers: July, August
Lighting Conditions: Full Sun, Partial Sun
Soil Type: Clay, Chalk, Sand, Loam
Soil Acidity: Alkaline, Neutral, Acid
Moisture: Well-drained
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Germination Instructions
Sow indoors at any time. Sow into a cold frame in autumn. Indoors, surface sow onto moist, well-drained seed compost. Ideal temp. 18-22°C for 2-4 weeks. If germination does not occur cold stratify. Move to -4-+4°C for 4-6 weeks, a fridge is ideal, then return to warmth for germination. Germination can be erratic. Transplant seedlings when large enough to handle. Acclimatise and plant out after danger of frost has passed. Cold frame, allow autumn warmth followed by winter cold to offer ideal conditions for germination to occur in spring as the weather warms.
Growing Instructions
Prefers a deep moderately fertile, moist but well-drained soil in full or partial sun. Offer protection from cold winds. Slow growing in the first season but can then spread rapidly.
Cultivation Instructions
Cut the plant back to the base in late autumn. Propagate by division in late autumn or spring. Separate root rhizomes in winter when dormant.
When to Sow
Approximate number of seeds per packet: 70
Please note we pack the majority of our seeds by volume so the number of seeds indicated is only an approximation.
Macleaya cordata