Germination Guide

Click on a species name below to see it's germination tips.
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Sedum rupestre f. cristata
not grown from seed
Sedum rupestre ssp. reflexum

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.
Mary Sterrett adds: I get far superior germination on my sedums if I refrigerate the pots in plastic bag for a week or 2 after sowing.
Sedum sempervivoides

A

Sow @ 20°C. Seed germinates within 3 months.
Mary Sterrett adds: I get far superior germination on my sedums if I refrigerate the pots in plastic bag for a week or 2 after sowing.
Sedum sp.

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
best grown in plastic bag for humidty; Mary Sterrett adds: I get far superior germination on my sedums if I refrigerate the pots in plastic bag for a week or 2 after sowing.
Sedum spathulifolium

F

Sow @ 4°C.
Mary Sterrett adds: I get far superior germination on my sedums if I refrigerate the pots in plastic bag for a week or 2 after sowing.
Sedum spathulifolium 'Cape Blanco'

F

Sow @ 4°C.
Mary Sterrett adds: I get far superior germination on my sedums if I refrigerate the pots in plastic bag for a week or 2 after sowing.
Sedum spectabile 'Pink Chablis'

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.
Mary Sterrett adds: I get far superior germination on my sedums if I refrigerate the pots in plastic bag for a week or 2 after sowing.
Sedum spurium

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.
Mary Sterrett adds: I get far superior germination on my sedums if I refrigerate the pots in plastic bag for a week or 2 after sowing.
Sedum telephium

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.
Mary Sterrett adds: I get far superior germination on my sedums if I refrigerate the pots in plastic bag for a week or 2 after sowing.
Sedum urvillei
Mary Sterrett adds: I get far superior germination on my sedums if I refrigerate the pots in plastic bag for a week or 2 after sowing.

A

Sow @ 20°C. Seed germinates within 3 months.
Sedum x 'Waight Hybrid'

?

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.
I get far superior germination on my sedums if I refrigerate the pots in plastic bag for a week or 2 after sowing.
Selinum carvifolia

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.
Selinum tenuifolium

4

D

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

H

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

4

Semiaquilegia adoxoides

!

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.
Semiaquilegia ecalcarata

A

Sow @ 20°C. Seed germinates within 3 months.
Semiaquilegia ecalcarata 'Flore Pleno'

A

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

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...
Sempervivum 'More Honey'

?

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.

A

Sow @ 20°C. Seed germinates within 3 months.
Sempervivum 'Hayling'

?

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.

A

Sow @ 20°C. Seed germinates within 3 months.
Sempervivum 'Jungle Shadows'

?

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.

A

Sow @ 20°C. Seed germinates within 3 months.
Sempervivum 'Purple Passion'

?

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.

A

Sow @ 20°C. Seed germinates within 3 months.
Sempervivum 'Silberkarneol'

H

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

A

Sow @ 20°C. Seed germinates within 3 months.
Sempervivum arachnoideum x pittonii

A

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

3

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

B

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

B

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

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.
most interbreed and seed may not be what is labelled; stratification enhances germination; best grown in plastic bag for humidity
Senecio cannabifolius

A

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

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.
Senecio abrotanifolius

A

Sow @ 20°C. Seed germinates within 3 months.
Senecio argunensis Turcz.

A

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

A

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

A

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

A

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

*

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

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...
Senecio incanus

A

Sow @ 20°C. Seed germinates within 3 months.
Senecio incanus ssp.incanus

A

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

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Senecio polyodon v. subglaber

A

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

A

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

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...
Senecio siegfriedi

?

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.
Senecio sp.

A

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

*

This species needs special care as described.
sow on pure sand
Senecio werneriifolius

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.
Senecio x siegfriedi

?

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.
Senna covesii

6

Requires scarification. Nick or rub between sheets of sandpaper.  See https://youtu.be/icB9HrqdQqU  Seed coat of Baptisia and Oxytropis and other Fabaceae can be scarified by soaking in boiling water. See http://botanicallyinclined.org/continuing-the-sowing-in-hot-water

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.
Senna hebecarpa

A

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

6

Requires scarification. Nick or rub between sheets of sandpaper.  See https://youtu.be/icB9HrqdQqU  Seed coat of Baptisia and Oxytropis and other Fabaceae can be scarified by soaking in boiling water. See http://botanicallyinclined.org/continuing-the-sowing-in-hot-water

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
Senna marilandica

6

Requires scarification. Nick or rub between sheets of sandpaper.  See https://youtu.be/icB9HrqdQqU  Seed coat of Baptisia and Oxytropis and other Fabaceae can be scarified by soaking in boiling water. See http://botanicallyinclined.org/continuing-the-sowing-in-hot-water

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

J

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

6

Requires scarification. Nick or rub between sheets of sandpaper.  See https://youtu.be/icB9HrqdQqU  Seed coat of Baptisia and Oxytropis and other Fabaceae can be scarified by soaking in boiling water. See http://botanicallyinclined.org/continuing-the-sowing-in-hot-water

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
African badlands composite, probably A
Seriphidium vallesiacum

A

Sow @ 20°C. Seed germinates within 3 months.
Serratula coronata f. alba

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

Serratula coronata ssp. insularis

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

Serratula coronaria

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

Serratula coronata v. insularis

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

Serratula seoanei

A

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

?

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.
Serratula tinctoria

A

Sow @ 20°C. Seed germinates within 3 months.
Seseli elatum ssp. osseum

A

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