Get more from bulbs.
However, their maintenance can become a chore in the autumn, when many will need to be dug up and stored until next year.
Busy gardeners may not have time or the inclination to dig up bulbs, clean and dry them off and store them in a frost-free place until next year.
However, there are summerflowering bulbs which are happy to stay in the ground and will perform in subsequent years, says Miek Stap, consultant at the Netherlands Flower Bulb Information Centre.
Truly perennial bulbs include lilies, Anemone coronaria, crocosmia, liatris and Commelina coelistis.
"Most of these bulbs are sun lovers," Stap says. "Plant them in spots where there is a lot of sun during at least three-quarters of the day."
Lilies like 'cold feet' in summer, so they perform better when they are mixed in a border planting where other plants cover the ground. Plant them with companions with heavy foliage such as alchemilla mollis and heuchera.
Anemone coronaria and Commelina coelistis are also sun lovers. They prefer the soil to be warmed up easily and need to be planted in a more solitary setting, but will soon fill up the border and give good flower display. If the ground is too cold in early spring, they will have trouble emerging.
Crocosmia is a very easy plant, but is also quite invasive, so be careful where you plant and which variety you choose.
In more organic and moistureretentive soil, the plant will grow large leaves but bear fewer flowers, so they don't need much watering - the drier the ground, the more the plant flowers.
ADVICE - from the Flower Bulb C entre.
Liatris also prefers drier, less rich soil.
Other bulbs which may come back depending on the winter rain and snow include Gladiolus calianthus, canna, crinum, eucharis, Nerine bowdenii, tigridia and Zantedeschia aethiopica.
"All these bulbs return better when the soil remains dry in winter time. As soon as they are surrounded by wet soil and the frost gets into the ground they will start rotting," says Stap.
There are ways to improve the chances of bulbs left in the ground to flower in subsequent years.
Stap says: "Plant the bulbs a little deeper than the packaging says, although they will take a little longer to come up in the first year's season as the soil stays cold longer on a deeper level.
Miek Stap, Netherlands Information "If you are not harvesting the bulbs in autumn and you would like them to return next summer, it is important that they have nutrients - nothing special, regular fertilising of your summer borders will do."
Allow leaves and stems to die down naturally, because if you cut them down it often disturbs the growing process for next year's bulbs.
Those that don't die down until heavy frosts appear, such as canna and crinum, should be covered with leaves or straw to protect them over the winter.
If you want your dahlias, begonias and gladioli to survive winter without digging them up, the answer could be to grow them in containers and put the pots containing the bulbs in a frostfree shed or cool greenhouse for winter where they will become completely dry.
If the plants have had plenty of feed in late summer, it will give them a strong base for next year.
Most will need to be re-potted in fresh compost in spring, apart from nerines, crinums and amaryllis belladonna, which don't like to be tossed around and should be left unless they have grown too big for the container.
And remember, summer bulbs in containers will need warmth to get started again, so don't put them out too early next year.
ADVICE - Miek Stap, from the Netherlands Flower Bulb Information Centre.
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|Publication:||Evening Chronicle (Newcastle, England)|
|Date:||Aug 1, 2009|
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