Germination Guide

Click on a species name below to see it's germination tips.
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Ampelopsis brevipedunculata

G

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

8

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

8

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

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
Ampelopsis glandulosa v. brevipedunculata

G

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

8

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

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.
Amsonia ellipsoides

G

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

C

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

G

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

F

Sow @ 4°C.
Amsonia jonesii

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...
Amsonia ludoviciana

F

Sow @ 4°C.
Amsonia orientalis

G

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

F

Sow @ 4°C.
Amsonia tabernaemontana

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
Amsonia tabernaemontana 'Montana'

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
Amsonia tabernaemontana v. salicifolia

G

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

A

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

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Anacyclus pyrethrum v. depressus

A

Sow @ 20°C. Seed germinates within 3 months.
Anacyclus pyrethrum v. depressus 'Gnome'

A

Sow @ 20°C. Seed germinates within 3 months.
Anagallis monelli ex 'Skylover'

A

Sow @ 20°C. Seed germinates within 3 months.
Anagallis 'Skylover'

A

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

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Anagallis monelli ssp. linifolia

A

Sow @ 20°C. Seed germinates within 3 months.
Anagallis sp.
grow in plastic bag for humidity
Anaphalis lactea

A

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

A

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

A

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

A

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

A

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

A

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

A

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

2

Requires darkness.
Anchusa azurea

A

Sow @ 20°C. Seed germinates within 3 months.
Anchusa azurea 'Feltham Pride'

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Anchusa leptophylla ssp. incana

A

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

A

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

2

Requires darkness.
Anchusa officinalis 'Angustifolia'

A

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

2

Requires darkness.
Anchusa sp.

A

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

*

This species needs special care as described.

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.
Andromeda polifolia

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.

*

This species needs special care as described.
sow in acid medium; prone to damping off
Andropogon gerardii

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Androsace adfinis ssp. brigantiaca

3

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

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.
Androsace amurensis

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.
Androsace cylindrica ssp. hirtella

J

Sow @4°C for 3 weeks, then place @20°C.
Androsace ex 'Millstream'

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.
Androsace sarmentosa ssp.primuloides

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
Androsace septentrionalis ‘Star Dust’

A

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

G

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

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
Androsace villosa subsp. koso-poljanskii

A

Sow @ 20°C. Seed germinates within 3 months.
Androsace 'Millstream'

3

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

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.
Androsace adfinis

3

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

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.
Androsace alba

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.
Androsace albana

F

Sow @ 4°C.
Androsace alpina

A

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

*

This species needs special care as described.
pot on in lime-free compost
Androsace armeniaca v. macrantha

A

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

A

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