Click a button to add that quantity to your cart
seed quantities can be multiplied when added to the cart
B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Rhododendron arboreum is cold hardy
USDA Zone:7 0° to 10°F (-17.5° to -12.5°C)
|Type of plant - shrub to tree
Flower or inflorescence:
3-5cm. camp., PINK to RED (WHITE)
......(fls.edible, but large amount intoxicates!)
7-19cm. long, hairy ben., ~toxic
|Height, in meters: 50
Height, in feet: 165.00
|Rhododendron arboreum sales history
| Parts of Rhododendron arboreum are considered toxic.
is included in the following
B and T World Seeds flowering plant categories.
|1||: Stock list|
|Our stock changes almost every day, with seeds arriving and being shipped all over the world.|
We only stock long lived seeds, except for a few species that are always in demand.
Seeds that are not in stock are acquired fresh when ordered.
|10||: Rhododendron and Azalea Species and Hybrid Seed List|
|36||: Herb Seed List Culinary Medicinal Dye and Aromatic|
|Not all medicinal, dye or aromatic plants are edible, some are toxic if eaten and others are dangerous if applied to the skin. Please check uses for plants.|
|38||: Indian Native and Introduced Plants|
|40||: Shrub Seed List, Hardy and Tender|
|44||: Cut flowers Commercial and other Recommended Varieties|
|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.|
|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.|
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.
Rhododendron arboreum seeds will usually germinate in 50-90 days, even under good conditions germination may be erratic.
Rhododendron arboreum seeds will mostly germinate as the weather warms up in Spring, some may germinate during the Summer or Autumn but are more likely to stay dormant until the following Spring.
Keep shaded from direct sun.