Best time to plant borage in Australia
Borago officinalis
Also called starflower
An annual herb with hairy leaves and star-shaped blue flowers that bees love. The flowers are edible, and it often self-seeds.
On a shared plot: can spread
Self-seeds freely. Pull seedlings that come up where you don't want them, and keep it out of neighbouring plots.
When to sow
| Zone | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CoolNot yet checked against a local guide | Sow | No | No | No | No | No | No | No | Sow | Sow | Sow | Sow |
| TemperateNot yet checked against a local guide | Sow | Sow | No | No | No | No | No | Sow | Sow | Sow | Sow | Sow |
| SubtropicalNot yet checked against a local guide | No | Sow | Sow | Sow | Sow | Sow | Sow | Sow | Sow | Sow | Sow | No |
| TropicalNot yet checked against a local guide | No | No | No | Sow | Sow | Sow | Sow | Sow | Sow | No | No | No |
| AridNot yet checked against a local guide | Sow | No | No | No | No | No | No | Sow | Sow | Sow | Sow | Sow |
Good months to sow
Your local conditions can shift any months shown here, so treat them as a guide.
Growing details
- How to start
- Sow directly in the bed
- Sowing depth
- 10mm
- Plant spacing
- 45cm
- Row spacing
- 30cm
- Height
- 100cm
- Germination
- 5-10 days at 20-22°C
- Time to harvest
- 80-90 days
- Frost
- Hardy, takes a light frost
- Sun
- Part sun
- Life cycle
- annual
These are typical figures, and varieties differ. Your seed packet takes priority.