Cornflower
Persian cornflower
Persian cornflower: Sowing, planting and harvest calendar
Persian cornflower is an ornamental perennial known as Centaurea dealbata, now placed under Psephellus dealbatus. It belongs to the Asteraceae family, like asters and daisies. Its native range extends from north-eastern Turkey to the Caucasus. Its garden presence rests on a clump of divided foliage and summer flowers in soft colours.The plant develops upright herbaceous stems from a perennial crown. Its foliage is deciduous: above-ground growth changes with the seasons and fresh shoots appear when growth resumes. A mature flowering clump commonly reaches roughly 50 cm to 1 m tall, with spread potentially of a similar order. Actual size depends on the cultivated form, age and conditions.Leaves are elongated and lobed, with divisions that give the clump a visually lighter texture. Whitish hairs cover the undersides, producing a paler appearance when leaves turn over. Contrast between upper foliage and pale undersides adds interest even before flowering. This divided texture accompanies…
