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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Mentzelia 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.

A

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

A

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

?

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.
Merendera kurdica

!

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.

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

must have summer heat to germinate; may take 6 years to germinate; grow seedlings @ 4°C x 1 month
Mertensia simplicissima

A

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

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

Mertensia maritima ssp. asiatica

J

Sow @4°C for 3 weeks, then place @20°C.
Mertensia paniculata

!

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.

A

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

A

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

A

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

A

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

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

Mertensia sp.

J

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

*

This species needs special care as described.
can be difficult to grow seedlings to mature plants; stratify; allow to self seed or seed in pots are suggestions
Mesembryanthemum criniflorum

A

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

*

This species needs special care as described.

6

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

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

many ”seeds” are empty – expect few to be viable
Metasequoia glyptostroboides

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

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
Meum athamanthicum

!

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.

F

Sow @ 4°C.
Meum athamanticum

!

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.

F

Sow @ 4°C.
Michauxia campanuloides

A

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

A

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

2

Requires darkness.

5

Germination is successful only when GA3 is used.
Micromeria thymifolia

D

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

3

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

4

Germination is improved by using GA3.
Microseris ringens 'Girandole'

A

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

2

Requires darkness.
Milium effusum 'Aureum’

A

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

A

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

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
poor germination
Mimulus lewisii

A

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

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...
Mimulus sp.

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...
Mina lobata

A

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

6

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

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
Minuartia helmii

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Minuartia laricifolia ssp. kitaibelii

A

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

A

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

A

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

A

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

A

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

A

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

A

Sow @ 20°C. Seed germinates within 3 months.
Mirabilis jalapa 'Broken Colours'

A

Sow @ 20°C. Seed germinates within 3 months.
Mirabilis jalapa 'Red Glow'

A

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

A

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

A

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

2

Requires darkness.
Mirabilis sp.

A

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

B

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

B

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

B

Sow @ 20°C. If seed does not germinate within 3 months, try 4°C for 1-2 months, then 20°C again.
Miscanthus sinensis 'Yaku Jima'

B

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

A

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

!

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.

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
germination unlikely after dry storage
Mitella breweri

A

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

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.
Mitella diphylla

!

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.

B

Sow @ 20°C. If seed does not germinate within 3 months, try 4°C for 1-2 months, then 20°C again.
germination unlikely after dry storage
Mitella ovalis

A

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

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.

3

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

2

Requires darkness.

H

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

D

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

D

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

D

Use repeated cycles of 20°C, then 4°C for 3 months each. Germination is very prolonged.
Molinia caerulea ssp. arundinacea 'Skyracer'

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.