Germination Guide

Click on a species name below to see it's germination tips.
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Capnoides sempervirens

!

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.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

Sow @ 20°C. Seed germinates within 3 months.
dry storage impairs germination
Capsicum annuum 'Black Pearl'

A

Sow @ 20°C. Seed germinates within 3 months.
Capsicum annuum 'Explosive Ember'

A

Sow @ 20°C. Seed germinates within 3 months.
Capsicum annuum 'Gold Finger'

A

Sow @ 20°C. Seed germinates within 3 months.
Capsicum chinense

A

Sow @ 20°C. Seed germinates within 3 months.
Capsicum frutescens 'Purira'

A

Sow @ 20°C. Seed germinates within 3 months.
Capsicum annuum

A

Sow @ 20°C. Seed germinates within 3 months.
Capsicum annuum var. annuum

A

Sow @ 20°C. Seed germinates within 3 months.
Capsicum frutescens

A

Sow @ 20°C. Seed germinates within 3 months.
Capsicum sp.

A

Sow @ 20°C. Seed germinates within 3 months.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ
Caragana aurantiaca

A

Sow @ 20°C. Seed germinates within 3 months.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ
Caragana frutex

A

Sow @ 20°C. Seed germinates within 3 months.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ
usually grown from cuttings
Caragana pygmaea

*

This species needs special care as described.

6

Requires scarification. Nick or rub between sheets of sandpaper. See https://youtu.be/icB9HrqdQqU

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ

A

Sow @ 20°C. Seed germinates within 3 months.
store seed @ 5°C; scarify seed that hasn't swollen after soaking 24 hours, resoak
Cardiocrinum cordatum

*

This species needs special care as described.

H

Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged.
need more than 5 seeds: Seedlings are more vulnerable to frost than mature plants. Process can be speeded up but if timing is wrong it will germinate in fall and not survive winter
Cardiocrinum cordatum v. glehnii

H

Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged.

*

This species needs special care as described.
Seedlings are more vulnerable to frost than mature plants. Process can be speeded up but if timing is wrong it will germinate in fall and not survive winter
Cardiocrinum giganteum

H

Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged.

*

This species needs special care as described.
Seedlings are more vulnerable to frost than mature plants. Process can be speeded up but if timing is wrong it will germinate in fall and not survive winter
Cardiocrinum giganteum v. yunnanense

H

Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged.

*

This species needs special care as described.
Seedlings are more vulnerable to frost than mature plants. Process can be speeded up but if timing is wrong it will germinate in fall and not survive winter
Cardiospermum halicacabum

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Cardiospermum sp.

A

Sow @ 20°C. Seed germinates within 3 months.

7

Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard floaters and the water used for soaking. See https://youtu.be/dhL57pqnHHQ
Carduncellus monspeliensis

A

Sow @ 20°C. Seed germinates within 3 months.
Carduncellus pinnatus

A

Sow @ 20°C. Seed germinates within 3 months.
Carduus defloratus

*

This species needs special care as described.
germination enhanced by smoke
Carduus glaucus

A

Sow @ 20°C. Seed germinates within 3 months.

2

Requires darkness.
Carex comans 'Frosted Curls'

*

This species needs special care as described.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

Sow @ 20°C. Seed germinates within 3 months.
raise temperature of seedlings very slowly by growing under layer of snow
Carex stellata

?

We have incomplete information on the germination of this species. Sometimes we offer an educated guess about which approach you could try. Let us know what is successful.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

Sow @ 20°C. Seed germinates within 3 months.
Carex viridula

L

Expose to fluctuating outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in spring. See https://www.youtube.com/watch?v=SO_KKbGYTEM

Carex 'Frosted Curls'

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

*

This species needs special care as described.
Carex 'Majken'

K

Sow @ 10°C. Most species for which we suggest this temperature will also germinate at 20°C, but prefer the cooler temperature for sturdy growth.
Carex baccans

A

Sow @ 20°C. Seed germinates within 3 months.
Carex baccans

A

Sow @ 20°C. Seed germinates within 3 months.
Carex buchananii

B

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

B

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

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

*

This species needs special care as described.
raise temperature of seedlings very slowly by growing under layer of snow
Carex comans 'Bronze'

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

*

This species needs special care as described.
raise temperature of seedlings very slowly by growing under layer of snow
Carex cuprina

A

Sow @ 20°C. Seed germinates within 3 months.
Carex elata 'Aurea'

A

Sow @ 20°C. Seed germinates within 3 months.

*

This species needs special care as described.
bog plant; stand pot in 3 cm water
Carex elata 'Bowles Golden'

A

Sow @ 20°C. Seed germinates within 3 months.

*

This species needs special care as described.
bog plant; stand pot in 3 cm water
Carex flacca

K

Sow @ 10°C. Most species for which we suggest this temperature will also germinate at 20°C, but prefer the cooler temperature for sturdy growth.
Carex flagellifera

A

Sow @ 20°C. Seed germinates within 3 months.
Carex flagellifera 'Bronze'

A

Sow @ 20°C. Seed germinates within 3 months.
Carex glauca

K

Sow @ 10°C. Most species for which we suggest this temperature will also germinate at 20°C, but prefer the cooler temperature for sturdy growth.
Carex grayi

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

Sow @ 20°C. Seed germinates within 3 months.
Carex lupulina

J

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

H

Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged.
Carex melanantha

F

Sow @ 4°C.
Carex melanocephala

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Carex muskingumensis

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Carex nigra

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.
Carex pendula

D

Use repeated cycles of 20°C, then 4°C for 3 months each. Germination is very prolonged.
Carex pseudocyperus

D

Use repeated cycles of 20°C, then 4°C for 3 months each. Germination is very prolonged.
Carex scandinavica

L

Expose to fluctuating outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in spring. See https://www.youtube.com/watch?v=SO_KKbGYTEM

Carex scaposa

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

Sow @ 20°C. Seed germinates within 3 months.
Carex schiedeana

?

We have incomplete information on the germination of this species. Sometimes we offer an educated guess about which approach you could try. Let us know what is successful.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

Sow @ 20°C. Seed germinates within 3 months.
Carex sp.

*

This species needs special care as described.
NA and European species J, New Zealand K
Carex stellata

?

We have incomplete information on the germination of this species. Sometimes we offer an educated guess about which approach you could try. Let us know what is successful.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...

A

Sow @ 20°C. Seed germinates within 3 months.
Carex viridula ssp. viridula

L

Expose to fluctuating outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in spring. See https://www.youtube.com/watch?v=SO_KKbGYTEM

Carlina acanthifolia

B

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

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Carlina acaulis ssp. acaulis

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
Carlina acaulis ssp. simplex

A

Sow @ 20°C. Seed germinates within 3 months.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...