Rhubarb Seeds
Rheum rhabarbarum
How to grow Rhubarb from seed — sowing depth, method, germination and the best season to sow.
Sowing at a glance
- Difficulty: intermediate
- Sowing depth: 15 mm
- Method: Raise in trays and transplant
- Pre-treatment: Soak seed before sowing
- Germination: 14-28 days
- Days to harvest: 365-730 days
- Best sown in: spring, autumn
- Seed storage life: 2 years
- Packet: approx. 20 seeds
When to sow by region
| Region | Sow in |
|---|---|
| sydney | autumn, spring |
| melbourne | spring, autumn |
| brisbane | autumn |
| perth | autumn, spring |
| canberra | spring, autumn |
| adelaide | autumn, spring |
| darwin | winter |
Sowing steps
- Prepare the seed first (soak before sowing).
- Fill trays or pots with a fine, free-draining seed-raising mix and firm gently.
- Sow about 15 mm deep and water in gently.
- Keep evenly moist and warm; expect germination in 14-28 days.
- Transplant seedlings out once they have several true leaves and the weather is mild.