Blue Himalayan Poppies Seeds - 100 Seeds - Meconopsis Blue Tibetan or Himalayan Poppy Seed - Summer Blooming. Plant in Partial Shade. Sow in January in Organic Compost Enriched Soil 1/8" Deep (Keep Fluffy - Don't Press In) Pre-Chilled in the Refrigerator Before Planting (Not the Freezer). Perennial. Space Seedlings 10" Apart. Marde Ross & Company has been a Licensed California Nursery since 1985.