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Encyclopedia Britannica - Main :: HAN-HEG |
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HARDY BIENNIALS .Biennials live through one winter period. They require to be sown in the summer months, about June or July, in order to get established before winter; they should be pricked out as soon as large enough, and should have ample space so as to become hardy
hardy
Brompton
The number of biennials is not large, but a few very desirable garden plants, such as the following, occur amongst them: Agrostemma coronaria (Rose Campion): hardy, 11 ft., bright rose-purple or rose and white.Beta Cicla variegata: hardy, 2 ft., beautifully coloured leaves and midribs, crimson, golden, &c. Campanula
double
Campanula
Catananche coerulea: hardy, 2 to 3 ft., blue or white. Celsia cretica : hardy. 4 to 5 ft., yellow, with two dark spots near centre; in spikes. Cheiranthus Cheiri (Wallflower): hardy, 11 to 2 ft., red, purple, yellow, &c.; really a perennial but better as a biennial. Coreopsis grandiflora: hardy, 2 to 3 ft., bright yellow; the finest member of the genus.Dianthus barbatus (Sweet William) : hardy, 1 to 11 ft., crimson, purple, white or parti-coloured. Dianthus chinensis (Indian Pink
flowers
Echium pomponium: hardy, 4 ft., rosy- pink
Hedysarum coronarium (French Honeysuckle ) : hardy, 2 to 3 ft., scarlet or white; fragrant.Hesperis tristis (Night-scented Rocket) : hardy, 3 ft., dull purplish ; fragrant at night. Lunaria biennis (Honesty): hardy, 2 to 3 ft., purple; the silvery dissepiment attractive among everlastings. Matthiola incana (two groups, the Brompton
Meconopsis. Charming members of the poppy family, of which M. aculeata, purple; M. grandis, purple; M. heterophylla, coppery-orange; M. nepalensis, golden yellow; M. integrifolia, yellow; M. sunplicifolia, violet purple, are grown with care in sheltered spots, and in rich, very gritty soil. Michauxia campanuloides, a remarkable bell flower, 3 to 8 ft. high, white tinged purple. Requires rich loam in warm sheltered spots.Oenothera biennis and O. Lamarckiana (Evening primrose) : hardy, 5 ft., bright yellow; large. Scabiosa caucasica: hardy, 3 ft., blue, white. Silene cornpacta: half-hardy, 3 to 6 inches, bright pink; clustered as in S. Armeria. Verbascum Blattaria: hardy, 3 to 4 ft., yellowish, with purple hairs on the filaments; in tall spikes. End of Article: HARDY BIENNIALS If you wish, you can link directly to this article.
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