Leptospermum grandiflorum is an evergreen shrub or small tree endemic to eastern Tasmania. Seeds are very small and require light for germination.
Before sowing
No pre-treatment needed — sow directly.
Sowing
Substrate
peat and sand mix, standard potting mix with vermiculite topping
Depth
levemente_coberta
Temperature
21°C
Moisture
media
Container
seed tray or pot
What to expect
Step 1
Sow at levemente_coberta · 21°C
Day 14–28
Seedlings emerge
Tips
Seeds are lightly sprinkled with soil and covered with polyethylene. Semi-shade conditions preferred. The bog method is effective for Leptospermum germination. Keep substrate moist but not waterlogged. Do not bury seeds as they require light.
Sources: RHS, whatflower.net, AusBonsai forum, plantflowerseeds.com
