Click a button to add that quantity to your cart
seed quantities can be multiplied when added to the cart
Approximately 200.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Centaurea cyanus Emperor William single is cold hardy
USDA Zone:6 -10° to 0°F (-23.5° to -18°C)
|Type of plant - annual or biennial, depending on climate
Flower or inflorescence:
dark SEA-BLUE, long flg. single
|Height, in meters: 1
Height, in feet: 3.30
|Centaurea cyanus Emperor William single sales history
Common names for Centaurea cyanus Emperor William single:
|Emperor William Cornflower,|
Centaurea cyanus Emperor William single
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.
|19||: Everlasting and Dried Flower Seeds Australian and Other|
|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.|
|44||: Cut flowers Commercial and other Recommended Varieties|
|45||: Bee and Butterfly Attracting also Honey and Pollen Plant Seeds|
|53||: Bedding Plant Seed List|
|160||: Salad Vegetable Seed List|
|161||: Edible Flowers|
|Some flowers are poisonous if not cooked. Some are only edible while in bud. Identify and correctly prepare all flowers before eating. Do not eat flowers that have been sprayed with weedkiller or other chemicals.|
|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.|
|952||: Wholesale Selection|
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.
Centaurea cyanus Emperor William single seeds will usually germinate in 7-14 days.