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Onopordum giganteum

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Onopordum giganteum

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 447714

The average, annual, minimum temperature zone where Onopordum giganteum is cold hardy
USDA Zone:6 -10° to 0°F   (-23.5° to -18°C)
Type of plant - biennial, the leaves form a low rosette the first year, growing vertically and flowering the following spring.
Flower or inflorescence: PINK-PURPLE thistles, branched spikes
Foliage: SILVERY-GREY spiny, -1m. rosette
Height, in meters: 3
Height, in feet: 9.90
Onopordum giganteum sales history

Onopordum giganteum is included in the following
B and T World Seeds flowering plant categories.

12:   British Native Wild Flowers Shrubs and Trees
43:   Herbaceous Border Plant Seed List
53:   Bedding Plant Seed List
77:   Central European Native and Introduced Plants
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.
246:  Asteraceae
708:  Compositae

Happier and Healthier Plants, Naturally

plant-fungus communities, for improved nutrition, and disease and drought resistance.

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