Actaea

Actaea ramosa

Germination Tips

B

Sow @ 20°C. If seed does not germinate within 3 months, try 4°C for 1-2 months, then 20°C again.

Actaea ramosa atropurpurea

Germination Tips

B

Sow @ 20°C. If seed does not germinate within 3 months, try 4°C for 1-2 months, then 20°C again.

Actaea ramosa v. atropurpurea

Germination Tips

B

Sow @ 20°C. If seed does not germinate within 3 months, try 4°C for 1-2 months, then 20°C again.

Actaea rubra

Germination Tips

!

Sow immediately. The viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience.

*

This species needs special care as described.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

H

Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged.
Special Care: 
seedlings must be grown at less than 20° and can overwinter at -20°, prick out while small, seed is viable for at least 6m

Actaea rubra f. neglecta

Germination Tips

!

Sow immediately. The viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience.

*

This species needs special care as described.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

H

Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged.
Special Care: 
seedlings must be grown at less than 20° and can overwinter at -20°, prick out while small, seed is viable for at least 6m

Actaea simplex

Germination Tips

!

Sow immediately. The viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience.

E

Sow @ 20°C for 6 weeks, then place @ 4°C for 6 weeks, then slowly raise temperature to 10°C for 6 weeks. If there is no germination, repeat the cycle. This mimics fall sowing outdoors for spring germination.

Actaea simplex 'atropurpurea'

Germination Tips

C

Sow @ 20°C for 3 months, then place @ 4°C for 3 months.

Actaea simplex 'Black Negligee'

Germination Tips

!

Sow immediately. The viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience.

E

Sow @ 20°C for 6 weeks, then place @ 4°C for 6 weeks, then slowly raise temperature to 10°C for 6 weeks. If there is no germination, repeat the cycle. This mimics fall sowing outdoors for spring germination.

Actaea simplex 'Brunette'

Germination Tips

B

Sow @ 20°C. If seed does not germinate within 3 months, try 4°C for 1-2 months, then 20°C again.

Actaea simplex 'Hillside Black Beauty'

Germination Tips

C

Sow @ 20°C for 3 months, then place @ 4°C for 3 months.

Actaea simplex ex 'Hillside Black Beauty' (Atropurpurea Group)

Germination Tips

!

Sow immediately. The viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience.

E

Sow @ 20°C for 6 weeks, then place @ 4°C for 6 weeks, then slowly raise temperature to 10°C for 6 weeks. If there is no germination, repeat the cycle. This mimics fall sowing outdoors for spring germination.

Actaea simplex v. simplex

Germination Tips

C

Sow @ 20°C for 3 months, then place @ 4°C for 3 months.

Actaea sp.

Germination Tips

!

Sow immediately. The viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience.

J

Sow @4°C for 3 weeks, then place @20°C.

*

This species needs special care as described.
Special Care: 
difficult to germinate; seedlings must be grown at cool temperature, best achieved by sowing in open ground

Actaea spicata

Germination Tips

!

Sow immediately. The viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience.

*

This species needs special care as described.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

C

Sow @ 20°C for 3 months, then place @ 4°C for 3 months.
Special Care: 
seedlings must be grown at less than 20° and can overwinter at -20°, prick out while small, seed is viable for at least 6m

Actaea spicata v. alba

Germination Tips

!

Sow immediately. The viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience.

*

This species needs special care as described.

8

Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water daily for approximately 7 days. Discard water.

C

Sow @ 20°C for 3 months, then place @ 4°C for 3 months.
Special Care: 
seedlings must be grown at less than 20° and can overwinter at -20°, prick out while small, seed is viable for at least 6m
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