Every purchase supports the work of the RHS Every purchase supports the work of the RHS
  • dahlia collection

Blues and royals dahlia collection

dahlia collection

£29.97 £19.98
Pot size 2+1 FREE collections
2+1 FREE collections
1 collection
Quantity
Buy the collection of 3 Dahlias (1 of each variety) for £9.99 or buy 2 collections for £19.98 and get another collection FREE

  • Position: full sun
  • Soil: fertile, humus-rich soil
  • Rate of growth: average
  • Flowering period: July to September
  • Hardiness: half hardy (may need winter protection)

    This combination of amethyst-toned dahlias will fit easily with many other colours and will keep their cool through the heat of summer and long into autumn. The regal blooms will grace any patio pot and look stunning in a sunny border. Enjoy the gently changing colours of 'Blue Wish' and 'Purple Haze' as the flowers mature. Excellent for cut flowers.

    In each collection you will receive one tuber of each of the following cultivars.

    Dahlia 'Blue Boy':Well-formed lilac-pink flowers provide colour in the border for many months from midsummer. For an outstanding diaplay mix it with most shades of pink or purple, as well as silvers and blues. Grows to 90cm.

    Dahlia 'Blue Wish':As the flowers open, the purple tipped white petals turna more uniform shade of lilac. This creates a very pretty effect, and as the flowers are large, the overall picture is an impressive one. Their soft colouring mixes easily with many other shades, but is especially suited to bolder purples, white and all shades of pink. Grows to 120cm.

    Dahlia 'Purple Haze':The new 'petals' of this generously sized dahlia are a deep plum colour, but as they age, they turn a vibrant magenta-pink, whcih looks stunning against the backdrop of dark green foliage. The flowerheads are held on long, red-flushed stems so they are excellent for cutting. Grows to 60cm.

  • 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.
  • CAUTION do not eat ornamental bulbs
Share

Goes well with...

  • Terracotta bulb bowl
    Terracotta bulb bowl
    £21.99 Buy
  • Bell terracotta lavender pot
    Bell terracotta lavender pot
    £44.99 Buy
  • Terracotta citrus pot
    Terracotta citrus pot
    £49.99 Buy
  • Bulb starter with rootgrow
    Bulb starter with rootgrow
    £5.99 Buy
  • Bulb fibre
    Bulb fibre
    £3.49 Buy