Japanese maple - Acer palmatum

Acer palmatum - look great at any time of the year. The leaf colour varies from bright lime green through to vivid scarlet. Generally the green leaved varieties turn yellow and orange in the autumn with the purple leaved varieties turning bright red.

An ideal tree for the smaller garden.

Cultivars and varieties:

Acer palmatum 'Bloodgood' - Red leaves in the summer turning reddish-purple in the autumn. The leaves change colour through the year, from bright lime green in the spring through to vivid scarlet in autumn.

Acer palmatum 'Garnet' - reddish purple leaves

Acer palmatum 'Linearilobum' - bright green leaves

Acer palmatum 'Osakazuki' - bright red branches in autumn

Acer palmatum 'Red Pygmy' - 1.5m (5ft) x 1.5m (5ft) narrow red leaves in spring turning gold in the autumn.

Seeds to plant now:

Indoor or in a heated greenhouse

Ageratum

Alyssum

Aubergine

Bell Pepper, pepper

Cardoon

Celeriac

Celery

Columbine

Coriander

Cress

Cucumber

Floss flower, Ageratum

Forget-me-not

Ornamental Pepper

Pepper

Tomato

Outside

Alyssum

Amaranthus

Antwerp hollyhock, Fig-leaved hollyhock, hollyhock

Asparagus

Aubretia, Rock cress, Aubrieta, Aubrietia

Beetroot, Garden beet

Borecole, Kale

Bristly hollyhock

Broccoli

Brussels sprout

Cabbage

Carrot

Cauliflower

Common hollyhock

Hollyhock

Kohl rabi

Lettuce

Normandy sorrel

Onion

Ornamental winter kale

Radish

Spinach

Spinach, Summer spinach

Spring onion

Sweet corn

Sweet pea

Turnip

Outside under cover

Brussels sprout

Courgette

French marigold

Leek

Lettuce

Marrow

Onion

Snapdragon

Sweet corn

Tomato