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Alnus firma

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Alnus firma

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 407954

The average, annual, minimum temperature zone where Alnus firma is cold hardy
USDA Zone:6 -10° to 0°F   (-23.5° to -18°C)
Type of plant - deciduous shrub to tree
Flower or inflorescence: catkins to 2cm. long
Foliage: 5-12cm., ov.-bl.-lance., fine teeth, veins
Height, in meters: 15
Height, in feet: 49.50
Alnus firma seeds may be subject to seasonal availability

Synonyms (alternative names) for Alnus firma:
Alnus firma var. hirtella, 

Alnus firma is included in the following
B and T World Seeds flowering plant categories.

29:   Temperate Forest and Woodland Tree and Shrub Seed List
50:   Japanese Native and Introduced Plants
261:  Betulaceae
720:   Fire Resistant Plants
Different classes of resistance: some grow back, some don't burn, a few have highly inflammable leaves that leave the rest of the plant intact, some trees don't have lower branches.

Happier and Healthier Plants, Naturally

plant-fungus communities, for improved nutrition, and disease and drought resistance.

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