Acer

Acer japonicum aconitifolia

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 japonicum dissectum

Germination Tips

G

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

*

This species needs special care as described.
Special Care: 
remove inner seed coat after 4°C cycle, may take 3 years to germinate

Acer mandshuricum

Germination Tips

G

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

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: 
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 palmatum

Germination Tips

G

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

Acer palmatum 'Dissectum Atropurpureum'

Germination Tips

G

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

Acer palmatum 'Red Pygmy'

Germination Tips

G

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

Acer palmatum f. scolopendrifolium

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

G

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

Acer pensylvanicum

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

*

This species needs special care as described.
Special Care: 
remove inner seed coat

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 pseudosieboldianum

Germination Tips

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.
Special Care: 
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 sieboldianum

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.

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

*

This species needs special care as described.
Special Care: 
sow outdoors as soon as ripe

Acer tataricum ssp. ginnala

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 tegmentosum

Germination Tips

F

Sow @ 4°C.

*

This species needs special care as described.
Special Care: 
remove seed coat

Acer tetramerum

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.

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

*

This species needs special care as described.
Special Care: 
sow outdoors as soon as ripe

Acer truncatum

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 tschonoskii ssp. koreanum

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 ukurunduense

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
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