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Autumn & winter containers

Autumn & winter containers

Although the choice of plants suitable for autumn containers is more limited than for the summer, it is still possible to create a stunning display. The most popular bedding and patio plants for this time of year are: Pansy, Viola, Sweet William, Primrose, Polyanthus, Wallflower, Cyclamen, Ivy, Creeping Jenny, Ajuga and Lamium.

Just about anything that will hold compost and has drainage holes makes a suitable container but the most commonly used are pots of all types, galvanised buckets, half barrels and window boxes.

On arrival

Unpack your plants immediately they arrive and check that everything you expect is enclosed.
Water any plants that have dried out in transit.
Ideally plug plants (particularly small plugs & standard plugs) should be potted up within a day or two into 7.5cm pots (3in), but they should stay in good condition for a week or so if well-watered and fed every few days with a liquid plant food. Plants should be left in a light, sheltered, place such as a greenhouse or cold frame. Loose packed plants are best potted on or planted out immediately, providing the weather conditions are suitable.

Growing instructions

Before planting or potting up, thoroughly water your plants and leave to drain for half an hour.
For plug plants in trays push the blunt end of a pencil through the hole underneath each plug and the plant will emerge at the top without disturbing the root system.
When potting up small plugs especially, handle them carefully so as not to damage the leaves and stems.
Large plugs and plants (Large Plug, Baby Plant, Ready Plant and Ready Box) can be planted directly into your containers.
Plants that you have potted on should be grown on for a few weeks in a light sheltered spot, preferably a cool greenhouse or cold frame.
All your plants should be compact and bushy but as they grow, you may need to pinch out the growing tips of the more trailing types.

Planting a container

Get together all the things you'll need: Container; Good quality potting compost (A container compost is generally better than multi-purpose as it contains more plant food); Water retaining granules unless already in the compost; Plants.
Place broken up pieces of polystyrene plant trays or broken pots in the bottom of your container to help with drainage.
Fill your container with potting compost (mixed with water retaining granules) so that the level is about 5cm (2") from the top.
Plant your central plant(s) first by scooping out a hole just large enough for the roots and so the top of the root-ball is at compost level. Then continue planting the outer circle of plants about 2.5 - 5cm from the rim of the container, firming gently.
Top up with compost if needed to about 2cm (?") below the rim of the container.
Water thoroughly and place in a greenhouse or sheltered spot for a week or so before placing in its final position, which should be protected from cold winds.
To help with drainage containers should be stood on pot feet or raised slightly using small pieces of tile or wood.

Aftercare

Containers are prone to drying out even on cool overcast days, especially when there is a wind blowing, and should be watered frequently.
Snip off the dead heads of flowers at regular intervals to encourage a longer flowering season.
Liquid feed about once a week during the flowering period to keep your plants looking healthy and flowering longer (tomato food is ideal).