For optimal germination rates, initiate seed propagation indoors under controlled conditions—unless the species exhibits a high sensitivity to root disturbance. This approach allows precise regulation of temperature, humidity, and light, improving germination consistency and seedling viability. Do not skip any recommended seed treatments, as they are essential for uniform and successful germination.
Keep soil evenly moist during germination. DO NOT LET IT DRY OUT—once seeds begin absorbing water (imbibition), drying can kill the seed embryo, and even brief dryness after sprouting can kill seedlings.
Seed Treatment
Cold stratify seeds for 4–6 weeks. Wrap in a damp paper towel, seal in a plastic bag, and refrigerate.
Check weekly: If seeds sprout during stratification, remove and plant immediately in moist soil.
When to Sow
• Indoors: 6–8 weeks before the last frost
• Outdoors: In fall or early spring for natural stratification
Sowing Instructions
• Use well-draining seed-starting mix in trays or pots
• Do not cover seeds – they need light to germinate
• Use grow lights to maintain 12–16 hours of light per day.
• Mist gently to keep soil moist but not soggy
Humidity: Use a humidity dome or clear cover to maintain consistent moisture during germination. Open the dome BRIEFLY once per day to allow fresh air in and reduce mold risk. Remove the dome entirely once seedlings emerge.
Germination Details
• Time: 3–8 weeks AFTER stratification
• Temperature: 18–21°C (65–70°F)
• Be patient—germination may be slow and uneven
Post-Germination Care
• Provide bright light or grow lights
• Keep soil slightly moist with good air circulation
• Transplant to larger pots when true leaves appear
Transplanting Outdoors
• Harden off over 7–10 days
• Transplant after frost into full sun and well-drained soil
• Space 30–45 cm (12–18 in) apart
Growing Tips
• Drought-tolerant once established
• Prefers poor, sandy, or rocky soil
• Deadhead to encourage blooms or allow to self-seed
• Loved by bees and perfect for dried arrangements