Centaurea ragusina grow and care – herbaceous of the genus Centaurea also known as Silver Knapweed, Centaurea ragusina perennial deciduous used as ornamental plant, can grow in mediterranean, subtropics or temperate climate and growing in hardiness zone 8-11.
Leaves color grey to white in pinnate shape deeply lobed.
Centaurea ragusina flower
Flower color yellow, the flowers petals like little horns base that divide several needle shape, the petals “sit” on green “ball” with spines on it.
Centaurea ragusina for sale – Seeds or Plants to Buy VIDEO How to grow Centaurea ragusina growing and care:
Drained soil, moist soil, cool winter
What is the best way to start growing? Plant / Seedling / Seed Is it necessary to graft or use vegetative reproduction? No Difficulties or problems when growing: Spines on the flowers Spring, summer in USDA zone 8-11, Autumn, winter, spring 10-11 Recommended planting season? Powdery mildew, aphids Pests and diseases: Pruning season: Winter How to prune: Prune dead leaves and flowers Size of the plant? 20-60 cm (8-24 inches) Growth speed in optimal condition: Medium growing Small amount of water Water requirement: Light conditions in optimal condition for growing: Full Sun No Is it possible to grow indoor as houseplant? Yes Growing is also possible in a planter /flowerpot / containers: Blooming information Spring / Summer Bloom season: General information about the flower Yellow flowers petals like little horns base that divide several needle shape, the petals “sit” on green “ball” with spines on it. Scientific name:
Blooming Seasons Spring flowers Summer flowers Flower colors Climate Mediterranean Climate Subtropics Climate Temperate Climate Leaf color Ornamental parts Ornamental flower Ornamental leaves Ornamental plant Plant growing speed Plant life-form Deciduous Herbaceous Perennial plant Plant Uses Colored leaves Ornamental plants Planting Season Autumn Planting Spring Planting Summer planting Plants sun exposure Watering plants Hardiness zone Hardiness zone 10 Hardiness zone 11 Hardiness zone 8 Hardiness zone 9