Germination Guide

Click on a species name below to see it's germination tips.
Search for a genus or species by entering specific words or parts of words.
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Scabiosa 'Moon Dance'

A

Sow @ 20°C. Seed germinates within 3 months.
Scabiosa 'Pink Mist'

A

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

!

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.

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Scabiosa atropurpurea 'Nana'

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Scabiosa caucasica 'Fama'

A

Sow @ 20°C. Seed germinates within 3 months.
Scabiosa caucasica 'Perfecta Alba'

A

Sow @ 20°C. Seed germinates within 3 months.
Scabiosa caucasica (House's Hybrids)

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Scabiosa columbaria 'Alpina'

A

Sow @ 20°C. Seed germinates within 3 months.
Scabiosa columbaria 'Nana'

A

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

A

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

A

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

A

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

F

Sow @ 4°C.
Scabiosa japonica

A

Sow @ 20°C. Seed germinates within 3 months.
Scabiosa japonica var. alpina

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
poor germination
Scabiosa montana

A

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

A

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

A

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

A

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

A

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

A

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

A

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

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
Schivereckia doerfleri

A

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

2

Requires darkness.
Schivereckia podolica

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.
Schivereckia sp.

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Schizachyrium scoparium 'The Blues'

A

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

A

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

2

Requires darkness.
Schizonepeta kokanica

A

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

L

Give sown seeds several weeks @ 20°C to imbibe water (perhaps even germinate!), then 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

Schizophragma hydrangeoides

A

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

A

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

L

Give sown seeds several weeks @ 20°C to imbibe water (perhaps even germinate!), then 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

Scilla pratensis

*

This species needs special care as described.

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla amethystina

G

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

*

This species needs special care as described.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla autumnalis

G

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

*

This species needs special care as described.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla bifolia

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 must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla campanulata

*

This species needs special care as described.

J

Sow @4°C for 3 weeks, then place @20°C.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla hyacinthoides

A

Sow @ 20°C. Seed germinates within 3 months.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla lilio-hyacinthus

*

This species needs special care as described.

J

Sow @4°C for 3 weeks, then place @20°C.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla litardierei

*

This species needs special care as described.

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla mischtschenkoana

!

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.

L

Give sown seeds several weeks @ 20°C to imbibe water (perhaps even germinate!), then 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

*

This species needs special care as described.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla non-scripta

F

Sow @ 4°C.
Scilla peruviana

*

This species needs special care as described.
germinates in 4 weeks outdoors in autumn, seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla pyrenaica

!

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.

L

Give sown seeds several weeks @ 20°C to imbibe water (perhaps even germinate!), then 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

*

This species needs special care as described.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla rosenii

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 must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla scilloides

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla sp.

!

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.

L

Give sown seeds several weeks @ 20°C to imbibe water (perhaps even germinate!), then 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

*

This species needs special care as described.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scilla verna

!

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.

L

Give sown seeds several weeks @ 20°C to imbibe water (perhaps even germinate!), then 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

*

This species needs special care as described.
seedlings must remain at 4°C for full 3 months, then gradually raise temp to 20°C
Scirpus americanus

J

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

*

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

H

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

2

Requires darkness.
Scleranthus uniflorus

A

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

2

Requires darkness.
Scoliopus bigelovii

C

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

F

Sow @ 4°C.
Scopolia carniolica var. brevifolia
Scorzonera radiata

A

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