September in the garden
What the catalogue says can be sown, planted and harvested in September, resolved for United Kingdom (general). Your own garden may run a fortnight either way.
Sow under cover (1)
Sow outdoors (10)
Plant (54)
- Armand clematis
- Bay
- Bearded iris
- Brunnera
- Buddleja
- Bugle
- Camellia
- Clematis
- Climbing hydrangea
- Crocus
- Daffodil
- Echinacea
- Epimedium
- Escallonia
- Evergreen climbing hydrangea
- Fatsia
- Foxglove
- Garlic
- Golden-scaled male fern
- Grape hyacinth
- Hard shield fern
- Hardy cyclamen
- Hardy geranium
- Hart's tongue fern
- Hebe
- Hellebore
- Henry's honeysuckle
- Heuchera
- Holly
- Hosta
- Hyacinth
- Hydrangea
- Ivy
- Lady fern
- Lavender
- Magnolia
- Maidenhair spleenwort
- Male fern
- Mexican orange blossom
- Onion
- Ornamental allium
- Osmanthus
- Ostrich fern
- Peony
- Periwinkle
- Pieris
- Rhododendron
- Rudbeckia
- Salvia
- Sedge
- Skimmia
- Soft shield fern
- Strawberry
- Yew
Harvest (77)
- Apple
- Aubergine
- Basil
- Bay
- Beetroot
- Blackberry
- Blueberry
- Borage
- Broccoli
- Cabbage
- Carrot
- Cauliflower
- Celery
- Chard
- Chervil
- Chicory
- Chilli pepper
- Chives
- Coriander
- Cotoneaster
- Courgette
- Crab apple
- Cucumber
- Curry leaf
- Dahlia
- Dill
- Endive
- Fennel
- Fig
- Firethorn
- French bean
- Garlic chives
- Grape
- Hawthorn
- Hippeastrum
- Kohlrabi
- Lemon balm
- Lemon thyme
- Lemon verbena
- Lemongrass
- Lettuce
- Marjoram
- Melon
- Mint
- Onion
- Oregano
- Pak choi
- Parsley
- Passionflower
- Peach
- Pear
- Plum
- Potato
- Pumpkin
- Radish
- Raspberry
- Rocket
- Rosemary
- Rowan
- Runner bean
- Sage
- Salad burnet
- Savory
- Shiso
- Sorrel
- Spinach
- Spring onion
- Sweet pepper
- Sweetcorn
- Tarragon
- Thai basil
- Thyme
- Tomato
- Turnip
- Vietnamese coriander
- Winter savory
- Winter squash
Prune (13)
Divide (7)
Lift and store (1)
Last chance in September
These windows are open now and shut at the end of the month. Missing the close of a sowing window usually costs a year rather than a fortnight, which is why they are listed apart from everything else that can be done in September.
Sow outdoors (8)
Plant (21)
- Armand clematis
- Bay
- Bearded iris
- Brunnera
- Bugle
- Echinacea
- Escallonia
- Evergreen climbing hydrangea
- Hardy cyclamen
- Hart's tongue fern
- Hebe
- Heuchera
and 9 more — see the whole year
Harvest (22)
and 10 more — see the whole year
Take cuttings (2)
Lift and store (1)
Coming up in October
Nothing here can be done yet — these are the windows that open when September ends, worth knowing about now because most of them need something ordered, cleared or prepared first.
- Plant20 plants — berberis, blueberry, christmas box, cotoneaster and others
- Harvest12 plants — brussels sprouts, canna, celeriac, gladiolus and others
- Prune1 plant — peony
- Divide1 plant — mint
- Take cuttings3 plants — blackcurrant, forsythia, redcurrant
- Protect4 plants — christmas cactus, dahlia, lemongrass, vietnamese coriander