Approximately 12.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
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B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Crataegus phaenopyrum is cold hardy
USDA Zone:5 -20° to -10°F (-29° to -23.5°C)
|Type of plant - tree
Flower or inflorescence:
to 1cm., corymbs -7cm.
tri-ovate, 2.5-7cm., thorny
|Height, in meters: 10
Height, in feet: 33.00
|Crataegus phaenopyrum sales history
Synonyms (alternative names) for Crataegus phaenopyrum:
|Crataegus cordata, Mespilus phaenopyrum,|
Common names for Crataegus phaenopyrum:
|Washington Hawthorn, Washington Thorn,|
is included in the following
B and T World Seeds flowering plant categories.
|11||: Bonsai Seed List (Hardy and Tender)|
|29||: Temperate Forest and Woodland Tree and Shrub Seed List|
|86||: Natives of U.S.North East|
|87||: Natives of Central U.S.A.|
|89||: Natives of U.S.South East|
|131||: Toxic Plants|
|Some of the deadliest known poisons are found in plants. Some major food plants, eaten by millions of people every day, have toxic parts.|
|177||: Shrubs and Trees For Autumn Colour|
|185||: Plant Species whose germination is improved by Smoke|
|"Smoke" contains a butenolide compound produced by certain plants when heated, it speeds up or starts the germination of seeds from many different genera.|
|719||: North American Native Ethnobotanicals|
|Including medicinal, dye, fiber, food, construction, ritual|
Some knowledge about growing from seed is necessary to germinate even the easiest seeds.
Most seeds require humidity to germinate, even desert plants like
require that their growing medium remains moist until germination.|
Most seeds require oxygen to germinate, if buried too deep in their growing medium, or if the medium is too wet,
the seeds may not get the oxygen they require.
Crataegus phaenopyrum seeds will usually germinate in 180-730 days, even under good conditions germination may be erratic.
(3-5 months at 70'F then 3 months in frig)