Yellow Hardhead, Bighead Knapweed, Giant Knapweed, Armenian Basketflower, Lemon Fluff Knapweed growing, cultivation and care:
cold hardiness zone
3 (-40 to -34°C), 4 (-34 to -29°C), 5 (-29 to -23°C), 6 (-23 to -18°C), 7 (-18 to -12°C), 8 (-12 to -7°C), 9 (-7 to -1°C)
shelter in winter
shelter is not required
frost resistance
frost resistance
landscape use (landscape design)
flowerbed, specimen, border
method of cultivation
non seedlings
light needs
semi-shade, full sun
soil acidity
neutral soil
soil type
clay soil, loamy soil
water needs
moderate, high
*Some characteristics are relevant for a temperate climate
You can buy Yellow Hardhead, Bighead Knapweed, Giant Knapweed, Armenian Basketflower, Lemon Fluff Knapweed (Centaurea macrocephala (Grossgeimia)) in online stores (seed and seedlings).
$14.25 All Perennial Wildflower Seed Mix - 1/4 Pound, Mixed, Attracts Pollinators, Attracts Hummingbirds, Easy to Grow & Maintain
$14.99 ($0.60 / Count) 25 Slightly Assorted Flower Seed Packets - Includes 10+ Varieties - May Include: Forget Me Nots, Pinks, Marigolds, Zinnia, Wildflower, Poppy, Snapdragon and More - Made in the USA
$19.95 AeroGarden Mountain Meadows Flower Seed Pod Kit (9-pod)
$8.99 California Poppy Flower Seeds- Over 20,000 Premium Seeds - (Eschscholtzia californica) California State Flower
$13.19 Package of 80,000 Wildflower Seeds - Rocky Mountain Wildflower Mix Seeds Collection - 18 Assorted Varieties of Non-GMO Heirloom Flower Seeds for Planting Including Larkspur, Poppy, Columbine, & Daisy
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