How to grow eryngium planum from seed?
Score: 4.5/5 (9 votes) SOWING: Transplant (recommended): Sow 10-16 weeks before last frost. Do not cover as light is required for germination. Bottom water or mist lightly to avoid covering the seeds with displaced soil. Transplant into cell packs or 2-4" containers 5-8 weeks after emergence.How do ...