Manchurian white birch is a medium-sized, conical, deciduous tree native to northeast Asia.
In addition to its creamy-white bark, which provides year-round display, it features pale green leaves from late spring through summer, golden fall color, and tan catkins in early spring.
All favor full sun or light shade and reasonably fertile, well-drained soil.
It works well as a specimen plant or in small groupings. It is resistant to the birch borer that afflicts European birch.
Information source: www.learn2grow.com/plants/betula-platyphylla/.
Genus - Betula
Species - Platyphylla
Common name - Manchurian White Birch
Pre-Treatment - Required
Hardiness zones - 5 - 7
Height - 40-55' / 12 - 17 m
Spread - 35-45' / 11 - 14 m
Plant type - Tree
Vegetation type - Deciduous
Exposure - Full Sun, Partial Sun
Growth rate - Medium
Soil PH - Acid, neutral, alkaline
Soil type - Well drained, Fertile
Water requirements - Average
Landscape uses - Feature Plant, Shade Trees, bonsai
Bloom season - Early summer
Leaf / Flower color - Light Green / Tan, Brown
Seeds have an internal dormancy that can be overcome by a moist, chilling period. This treatment is called stratification. Here are the steps to stratify the seeds (start it from January till April):
1. Soak the seeds in water overnight
2. Place the seeds in a moist material such as milled sphagnum peat, sterile soil or vermiculite or coffe filter. Fully drain away all of the water and place the seeds in a zip-lock bag.
3. Refrigerate the seeds for 6-8 weeks at +2-+4C.
4. After the seeds are stratified, surface sow in a container filled with a moist, well-drained germination medium. Cover with glass or plastic and keep the container moist, but not soggy. Keep in room temperature, dark place.
As soon as the seeds germinate, place them under bright lights or move them to a greenhouse or cold frame.
You can sow seeds outdoors in well prepared beds in October or before the winter. Nature will do the job and will germinate in spring.
When large enough to handle, prick the seedlings out into individual pots and grow them on in a cold frame for their first winter.
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