Dahlia 'Summer Night'
dahlia (syn. Nuit D'ete) bulbs
- Position: full sun
- Soil: fertile, humus-rich soil
- Rate of growth: average
- Flowering period: July to October
- Flower colour: dark maroon
- Other features: excellent cut-flowers
- Hardiness: half hardy
A fashionably dark maroon cactus dahlia that is great for the 'bruised' themed borders. The fully double flowers have long, narrow, pointed petals that recurve for more half their length. This dahlia looks great planted in bold groups in a sunny, sheltered border. The flowers are produced from July until the first frosts, when the tubers should be lifted for over-wintering in a frost-free place.
- Garden care: Dahlia tubers can be planted outside after frost, or started off in pots under glass in late winter to early spring. Plant them horizontally approximately 12cm deep, making sure the ‘eyes’ are uppermost. Allow enough room between each tuber so the plants can grow and spread to their full size without being over-crowded. While in growth, provide a high-nitrogen liquid feed each week in June, then a high-potash fertiliser each week from July to September. Stake with canes or brushwood if it becomes necessary. In mild areas, leave them in situ over winter, but protect the crown with a generous layer of dry mulch. In colder areas, carefully lift and clean the tubers once the first frosts have blackened the foliage and allow them to dry naturally indoors. Then place the dry tubers in a shallow tray, just covered with slightly moist potting compost, sand or vermiculite and store in a frost-free place until planting out again.
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