Acer

Acer palmatum 'Emperor I'

Germination Tips

G

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

Acer palmatum 'Koto No Ito'

Germination Tips

G

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

Acer palmatum 'Linearilobum'

Germination Tips

G

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

Acer palmatum 'Osakazuki'

Germination Tips

G

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

Acer palmatum 'Shigi-tatsu-sawa'

Germination Tips

G

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

Acer palmatum var. dissectum (Dissectum Atropurpureum Group)

Germination Tips

G

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

Acer pictum ssp. mono

Germination Tips

!

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.

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

G

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

Acer tataricum 'Hot Wings'

Germination Tips

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

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

Acer triflorum

Germination Tips

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

D

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

Acer amurensis

Germination Tips

H

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

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

Acer argutum

Germination Tips

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

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

Acer barbinerve

Germination Tips

G

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

Acer carpinifolium

Germination Tips

H

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

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

Acer caudatum ssp. ukurunduense

Germination Tips

!

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.

G

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

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

Acer davidii

Germination Tips

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

Acer ginnala

Germination Tips

G

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

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

Acer glabrum

Germination Tips

H

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

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

Acer glabrum ssp. douglasii

Germination Tips

H

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

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

Acer griseum

Germination Tips

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  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.
Special Care: 
5% germination, soak 3 weeks in water to remove outer seed coat or pry it off, then slice off small portion of inner seed coat with razor

Acer japonicum

Germination Tips

*

This species needs special care as described.

G

Sow @ 4°C for 3 months, then place @ 20°C for 3 months.
Special Care: 
remove inner seed coat after 4°C cycle
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