What to Plant in December
Seeds to sow, young plants to put out, and what's flowering in December in UK gardens — drawn straight from the GardenWizz plant encyclopedia.
🌱 Sow in December
Sow these seeds this month (7 plants).
Chamomile (Matricaria chamomilla)
Clematis (Clematis)
Lupin (Lupinus)
Onion (Allium cepa)
Parsley (Petroselinum crispum)
Pea (Pisum sativum)
Rosemary (Salvia rosmarinus)
🪴 Plant out in December
Put these into the garden now (23 plants).
Blackberry (Rubus fruticosus)
Blueberry 'Duke'
Blueberry 'Spartan'
Boxwood (Buxus sempervirens)
Chamomile (Matricaria chamomilla)
Common Alder (Alnus glutinosa)
Common Beech (Fagus sylvatica)
Common Rose (Rosa gallica)
Dogwood (Cornus sanguinea)
English Ivy (Hedera helix)
English Oak (Quercus robur)
Gorse (Ulex europaeus)
Hawthorn (Crataegus monogyna)
Hellebore (Helleborus)
Honeysuckle (Lonicera periclymenum)
Honeysuckle 'Serotina'
Japanese Maple (Acer palmatum)
Lemon Balm (Melissa officinalis)
Rose (Rosa)
Sweet Chestnut (Castanea sativa)
Tulip (Tulipa)
Willow (Salix viminalis)
Yew (Taxus baccata)
🌸 In flower in December
What's blooming this month (1 plants).
❄️ UK frost dates by region
Approximate last spring / first autumn frost — always check your local forecast before sowing or planting out tender plants.
| Region | Last spring frost | First autumn frost |
|---|---|---|
| Scotland & far north | late May | late September |
| North of England | mid May | mid October |
| Midlands & Wales | early–mid May | late October |
| East & South East England | late April–early May | late October |
| London & urban areas | mid April | early November |
| South West & coastal | mid April | November |