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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Leontopodium souliei

A

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

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

Leontopodium stoechas

?

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.
Leontopodium stracheyi

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

Leonurus cardiaca

A

Sow @ 20°C. Seed germinates within 3 months.
Leonurus cardiaca
Leonurus sibiricus

A

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

J

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

A

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

A

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

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...
Leptospermum scoparium ex 'Kiwi' (Nanum Group)

A

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

*

This species needs special care as described.

1

Resents transplanting.

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.
scarify by heating to 90°C
Lespedeza bicolor

*

This species needs special care as described.

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
germination increases with dry heat up to 90°C
Lespedeza thunbergii 'Summer Beauty'

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.
Lespedeza violacea

*

This species needs special care as described.

1

Resents transplanting.

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.
Lespedeza bicolor

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

*

This species needs special care as described.
germination increases with dry heat up to 90°C
Lespedeza bicolor 'Summer Beauty'

*

This species needs special care as described.

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.
germination increases with dry heat up to 90°C
Lespedeza capitata

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.
Lespedeza sp.

*

This species needs special care as described.

1

Resents transplanting.

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.
scarify by heating to 90°C
Lespedeza thunbergii

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.
Lespedeza thunbergii 'Gibraltar'

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.
Lesquerella arctica

A

Sow @ 20°C. Seed germinates within 3 months.
Lesquerella arctica v. purshii

A

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

A

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

A

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

3

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

4

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Leucanthemum x superbum 'Sunny Side Up'

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Leucanthemum x superbum

A

Sow @ 20°C. Seed germinates within 3 months.
Leucanthemum x superbum 'Highland White Dream'

A

Sow @ 20°C. Seed germinates within 3 months.
Leucanthemum x superbum 'Ice Star'

A

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

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

Leucojum aestivum 'Gravetye Giant'

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

Leucojum autumnale

A

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

Le

!

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.

*

This species needs special care as described.

C

Sow @ 20°C for 3 months, then place @ 4°C for 3 months.
Leucojum vernum should be sown immediately when ripe. During summer a microbulb will form and that will start growing above ground next spring. Older seed may be difficult. ( advice from Göte Svanholm Mid-Sweden)
Leucojum vernum ssp. carpathicum

!

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.

*

This species needs special care as described.

C

Sow @ 20°C for 3 months, then place @ 4°C for 3 months.
Leucojum vernum and its varieties should be sown immediately when ripe. During summer a microbulb will form and that will start growing above ground next spring. Older seed may be difficult. (advice from Göte Svanholm Mid-Sweden)
Leucothoe catesbaei

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.
Leucothoe sp.

3

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

A

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

A

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

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.
Levisticum officinale

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Lewisia 'Little Peach'

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

Lewisia 'Little Plum'

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

Lewisia brachycalyx

C

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

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.
Lewisia cotyledon

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
Lewisia cotyledon Ashwood strain

G

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

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

Lewisia longipetala

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.
Lewisia nevadensis

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

Lewisia nevadensis '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

Lewisia nevadensis 'Rosea'

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

Lewisia pygmaea

A

Sow @ 20°C. Seed germinates within 3 months.
Lewisia pygmaea x sierrae

4

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.
Lewisia rediviva

!

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

Lewisia rediviva x pygmaea

!

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