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River Birch vs Discovery Japanese ElmBetula nigra Ulmus davidiana var. japonica Discovery ONLY AVAILABLE BY CONTRACT GROW SOLD OUT (new stock expected: fall of 2021) 
River Birch has beautiful, peeling, brown bark that reveals camel-colored and pink beneath. It is more borer resistant than white bark birches, which makes it a much longer-lived landscape tree. Discovery Japanese Elm is great for anyone who doesn't have a lot of time to maintain their trees as it doesn't drop many seeds. It has beautiful dark green foliage and is resistant to Dutch Elm Disease. This elm is similar in shape to the American Elm but is roughly 30% smaller. Instead of having an irregular and broad-shaped crown as other Japanese Elms do, the Discovery Japenses Elm has symmetrical branching, an upright growth form, and develops a classic vase-like crown. RIVER BIRCH QUICK FACTSDISCOVERY JAPANESE ELM QUICK FACTS
Zone:
3a
Zone:
2a
Height:
12 m (39 ft)
Height:
12 m (40 ft)
Spread:
5 m (16 ft)
Spread:
9 m (30 ft)
Moisture:
normal, wet
Moisture:
any
Light:
full sun
Light:
partial shade, full sun
Fuzz/fluff:
yes
Catkins:
yes
Bark:
dark gray-brown or pinkish-brown and scaly
Growth rate:
fast
Growth rate:
medium
Life span:
medium
Life span:
long
Maintenance:
low
Maintenance:
low
Suckering:
low
Suckering:
none
Pollution tolerance:
medium
Pollution tolerance:
high
Toxicity: Tester
Other Names:
black birch, water birch
Ships To Canada:
yes
Ships to USA: yes
Ships To Canada:
yes
Ships to USA: yes |