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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Kalimeris incisa

A

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

*

This species needs special care as described.
grow on @ 10°C
Kalimeris mongolica

A

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

N

Sow directly in garden.
Kalmia 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.
Kalmia angustifolia

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...

*

This species needs special care as described.
protect from damping off
Kalmia polifolia

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...

*

This species needs special care as described.
protect from damping off
Kalmia sp.

3

Requires light or the small seeds should be surface sown. See https://www.youtube.com/watch?v=RgkXUSI1GWo&index=1&list=UUJfYCNSWCIuOB2...
protect from damping off; will germinate at 30°C
Kalopanax septemlobus

!

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.
Kennedia coccinea

A

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

*

This species needs special care as described.
place in boiling water, let stand over night, repeat with any unswollen seeds
Kennedia prostrata

A

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

*

This species needs special care as described.
place in boiling water, let stand over night, repeat with any unswollen seeds
Kirengeshoma koreana

!

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.

J

Sow @4°C for 3 weeks, then place @20°C.
dry storage is fatal
Kirengeshoma palmata

!

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.

J

Sow @4°C for 3 weeks, then place @20°C.
ephemeral
Kirengeshoma sp.

A

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

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

Kitaibelia vitifolia

A

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

2

Requires darkness.

6

Requires scarification. Nick or rub between sheets of sandpaper. See https://youtu.be/icB9HrqdQqU
Knautia arvensis

F

Sow @ 4°C.
Knautia arvensis ssp. arvensis

A

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

A

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

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...
Knautia 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.

J

Sow @4°C for 3 weeks, then place @20°C.
Knautia sylvatica

?

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.

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.
Kniphofia ensifolia ssp. ensifolia

A

Sow @ 20°C. Seed germinates within 3 months.
Kniphofia 'Dwarf Hybrids'

B

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

B

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

B

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

A

Sow @ 20°C. Seed germinates within 3 months.
Kniphofia 'Toyland Hybrids'

B

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

B

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

A

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

B

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

A

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

B

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

A

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

A

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

B

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

A

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

B

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

A

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

D

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

6

Requires scarification. Nick or rub between sheets of sandpaper. See https://youtu.be/icB9HrqdQqU
Koelreuteria sp.

G

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

6

Requires scarification. Nick or rub between sheets of sandpaper. See https://youtu.be/icB9HrqdQqU
Kolkwitzia amabilis

A

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

!

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.

A

Sow @ 20°C. Seed germinates within 3 months.
germinates poorly and erratically; grow seedlings at cool temperature, leave in pot for 2 years
Kosteletzkya virginica

A

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