Gold Birch (Betula ermanii)

Common names:
Give a thumbs up Gold Birch
Give a thumbs up Russian Rock Birch

General Plant Information (Edit)
Plant Habit: Tree
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Plant Height: 40 to 70 feet
Plant Spread: 20 to 30 feet
Leaves: Good fall color
Deciduous
Dynamic Accumulator: P (Phosphorus)
Resistances: Deer Resistant
Pollinators: Wind
Miscellaneous: Tolerates poor soil
Monoecious

photo by El Grafo

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Comments:
Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Jan 9, 2019 11:21 AM

This Erman's Birch was named after a certain German physicist, Adolph Erman, who journeyed to eastern Siberia to explore the region in regard to magnetism. It is native to northeast Asia. It has dark green, sort of heart-shaped leaves about 2 to 4 inches long by 1.5 to 2.5 inches wide with coarse teeth on the margin with 7 to 11 vein pairs that turn a good gold fall color. It has a creamy peeling bark with copper and pink tones. It can have some problems with sawflies, aphids, and rust. It is not heat tolerant and the Bronze Birch Borer in eastern North America is, thus, deadly to it. It is sold in the UK and western Europe along with some cultivars from nurseries there. Since Europe really only has the European White Birch as the birch species there, a number of east Asian birches can make more birch diversity in landscapes.

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