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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Atriplex hortensis v. rubra

A

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

4

Germination is improved by using GA3.

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

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

Aubrieta 'Blue Cascade' (Cascade Series)

A

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

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Aubrieta deltoidea 'Nana Variegata'

A

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

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.
Aubrieta intermedia

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...
Aubrieta kotschyi

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...
Aubrieta macedonica

A

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

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...
Aubrieta pinardii

A

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

A

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

A

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

!

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.

G

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

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Aurinia saxatilis 'Carpet of Gold'

A

Sow @ 20°C. Seed germinates within 3 months.
Aurinia saxatilis 'Citrina'

A

Sow @ 20°C. Seed germinates within 3 months.
Aurinia saxatilis 'Compacta'

A

Sow @ 20°C. Seed germinates within 3 months.
Azalea 'Boudoir'

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
sprinkle seed on 10 cm damp sphagnum moss; cover with clear plastic pop bottle cut in half; transplant seedling to acid mix in shade outdoors when 5 cm high; protect from rodents and give protection in cold frame first winter
Azalea 'Phyllis Moore'

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
sprinkle seed on 10 cm damp sphagnum moss; cover with clear plastic pop bottle cut in half; transplant seedling to acid mix in shade outdoors when 5 cm high; protect from rodents and give protection in cold frame first winter
Azalea 'Sandra Hinton'

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
sprinkle seed on 10 cm damp sphagnum moss; cover with clear plastic pop bottle cut in half; transplant seedling to acid mix in shade outdoors when 5 cm high; protect from rodents and give protection in cold frame first winter
Azalea Ghent hybrid

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
sprinkle seed on 10 cm damp sphagnum moss; cover with clear plastic pop bottle cut in half; transplant seedling to acid mix in shade outdoors when 5 cm high; protect from rodents and give protection in cold frame first winter
Azalea kiusianum 'Komo Kulshan'

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
sprinkle seed on 10 cm damp sphagnum moss; cover with clear plastic pop bottle cut in half; transplant seedling to acid mix in shade outdoors when 5 cm high; protect from rodents and give protection in cold frame first winter
Azalea Mollis hybrid

*

This species needs special care as described.

A

Sow @ 20°C. Seed germinates within 3 months.
sprinkle seed on 10 cm damp sphagnum moss; cover with clear plastic pop bottle cut in half; transplant seedling to acid mix in shade outdoors when 5 cm high; protect from rodents and give protection in cold frame first winter
Azalea sp.

A

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

*

This species needs special care as described.
sprinkle seed on 10 cm damp sphagnum moss; cover with clear plastic pop bottle cut in half; transplant seedling to acid mix in shade outdoors when 5 cm high; protect from rodents and give protection in cold frame first winter