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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Linum tauricum

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.
Linum 'Gemmels Hybrid'

F

Sow @ 4°C.
Linum altaicum

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Linum austriacum ssp. caucasicum

A

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

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...
Linum capitatum

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

4

Linum cilicicum

A

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

A

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

F

Sow @ 4°C.
Linum dolomiticum

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

Linum elegans

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Linum flavum 'Compactum'

F

Sow @ 4°C.
Linum grandiflorum 'Bright Eyes'

A

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

1

Resents transplanting.
Linum grandiflorum 'Rubrum'

A

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

1

Resents transplanting.
Linum julicum

A

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

A

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

1

Resents transplanting.
Linum marschallianum

A

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

A

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

A

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

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.
Linum perenne ssp. alpinum 'Alice Blue'

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...
Linum perenne ssp. lewisii

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...
Linum pubescens

?

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.
Linum sp.

?

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.

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

Linum tenuifolium

A

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

A

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

D

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

2

Requires darkness.

*

This species needs special care as described.
empty seedcoats are undetectable; 5% germination is normal
Litchi chinensis

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.
Litchi chinensis

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.
Lithospermum canescens

G

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

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.
Use hot water for soaking
Lithospermum officinale

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...

4

Littonia modesta

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Loasa triphylla v. vulcanica

A

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

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.
Lobelia siphilitica f. 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.
Lobelia x speciosa 'Fan Scharlach'

A

Sow @ 20°C. Seed germinates within 3 months.
Lobelia x speciosa 'Fan Scharlach'

A

Sow @ 20°C. Seed germinates within 3 months.
Lobelia 'Compliment Scarlet'

A

Sow @ 20°C. Seed germinates within 3 months.
Lobelia 'Crown Royal'

A

Sow @ 20°C. Seed germinates within 3 months.
Lobelia 'Fried Green Tomatoes'

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.
Lobelia 'Queen Victoria'

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...
Lobelia cardinalis

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.
Lobelia hybrida

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.
Lobelia kalmii ex 'Abby'

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.
Lobelia puberula v. simulans

A

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

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.
Lobelia siphilitica 'Alba'

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...
Lobelia spicata

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...
Lobelia x gerardii

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...
Lobelia x speciosa

A

Sow @ 20°C. Seed germinates within 3 months.
Lobelia x speciosa 'Vedrariensis'

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.
Loiseleuria procumbens

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.
Lomatium canbyi

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

Lomatium ciliolatum

B

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

G

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

D

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

8

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