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Jobs to do in September
September marks a change in the seasons, you'll be harvesting the last of your summer crops if you haven't already done so, crops like tomatoes, beans, peppers, sweetcorn will be finishing, but on the other hand the first of the Autumn crops will be nearing ready or may be ready like Apples, Pears, Main Crop Potatoes, Winter Squashes to name but a few!


Fruit Trees & Bushes
Vegetable Jobs
Jobs on the Plot
Fruit Trees & Bushes September


Fruit jobs in September

Pruning and training Fruit

  • Finish tying in shoots on wall-trained fan trees.
  • Cut back old canes of blackberries and hybrid berries after fruiting and tie in the new canes.
  • Prune blackcurrants.
  • Spur prune kiwifruits after harvest.

Sowing and planting Fruit

  • Continue planting new strawberry beds.

General care Fruit

  • Harvest top fruit such as apples and pears. Look for fruit falling under the tree (windfalls) to indicate which apples are ready, but also assess taste and texture to determine whether they are ready for harvesting.
  • Quince and medlars are also picked now.
  • Finish tying in shoots on wall-trained fan trees.
  • Order cold stored strawberry runners for delivery in winter.
  • Order new fruit trees, canes and bushes.
  • Continue to provide support for heavily-laden fruit tree and bush branches.


Vegetable jobs in September


Vegetable jobs in September

Sowing and Planting

It is getting late in the year to be sowing and plating, but there is still time for lettuces, spinach, oriental leak like mizuna.

  • Spring cabbages that were sown last month are probably ready for planting out. Cover them with horticultural fleece or netting to stop the pigeons shredding them.

  • Plant overwintering onion sets.

  • May be time for one more sowing of radishes for a final crop before the end of the year.

General care

  • When asparagus foliage turns brown, it is time to cut it down. Take care of the spines, and give the plants a good mulch afterwards.

  • Earth up or stake Brussels Sprouts to prevent wind rock in the coming months.

  • Ripen pumpkins and winter squashes by removing a few leaves so the sun can get to the fruits, continue watering and feeding till you are ready to harvest them.

  • Keep up too with watering winter squash and pumpkins -  this will prevent their growth from being checked. Use stored rainwater wherever possible.

  • Celery can be earthed-up for the final time this month, leaving just a tuft of foliage sticking out of the trench or collar in order to blanch the stems.

Problems you might face

  • Watch tomatoes for blossom end rot, and other ripening problems.

  • Irregular watering can lead to problems with blossom end rot in tomatoes, splitting of root vegetables and flower abortion in runner beans. Help prevent this by watering well during dry spells.
  • Be sure to clear debris created when lifting potatoes, and take care not to damage the tubers.

  • Control against bacterial canker at the end of the month.

  • Protect grapes from wasps.

Jobs Around the Plot in September

Ripen Squash

Jobs in September around the plot

Vegetable jobs to do

  • Water well when dry to stop splitting and blossom end rot
  • Harvest and remaining onions and dry them prior to storing.
  • Ripen and pick tomatoes, and cut off all lower leaves especially if they are turning yellow.
  • Ripen pumpkins and winter squashes by removing a few leaves so the sun can get to the fruits, continue watering and feeding till you are ready to harvest them.

General jobs

  • Collect and save seeds
  • Check netting.
  • Mulch: Continue to mulch using garden compost, well-rotted manure and bark chips, these will keep weeds at bay and lock in moisture too.
  • Turn your compost heaps.

Shed Repairs & Maintenance

  • Check guttering etc to save valuable water!
  • Does that shed need another coat of preservative?
  • If your water buts are empty, this is a good month to maybe give them a clean out and fix any broken taps.


Harvesting in September

Harvesting Cauliflower

Ready for Harvest in September

  • Apples & Pears: There is no shorted of apples to pick this month, last of the early and the start of the mid to late crop varieties.
  • Aubergines: Outside varieties should be harvested this month, ones grown under cover might still hang on till next month.
  • Onions: The remaining onions should be harvested this month and dried out before storing.
  • Grapes: September is usually the start of the harvest season for grapes.
  • Melons: Late season melons grown under cover should be ready now.
  • Blackberries: Harvest season for late varieties
  • Carrots: Maincrop varieties.
  • Florence Fennel: Cut these about 2.5cm above the ground and new shoots will appear, perfect for stir fries.
  • Courgettes should still be cropping.
  • Shallots can be lifted when the foliage has died away.
  • Potatoes: Maincrops should be ready to harvest this month.
  • Summer squashes: Courgettes and other summer squashes will be fruiting madly this month
  • Chillies and sweet peppers
  • Turnips
  • Chillies and peppers
  • Kohl Rabi
  • Pak Choi
  • Leaf Beet.
  • Marrows
  • Spinach

Salad crops ready

  • Cucumbers
  • Celery
  • Rocket
  • Spring Onions
  • Tomatoes
  • Radishes
  • Chicory
  • Lettuces

Fruit crops ready

  • Figs
  • Blueberries
  • Cherries
  • Perpetual Strawberries
  • Raspberries
  • Late plums, damsons, and gages
  • Blueberries
  • Gooseberries
  • Cape Gooseberries
  • Blackberries
  • Pears
  • Apples
  • Apricots
  • Peaches & Nectarines
  • Melons.



Sowing in September

Spring Onions

Seeds to Sow and things to Plant Out in September

What to Sow

  • Spinach.
  • Oriental Leaves.

Sowing Outdoors

  • Spring Onions
  • Rocket
  • Lettuces
  • Spinach
  • Oriental Leaves
  • Winter Purslane

Salads crops to sow outside:

  • Chicory: Sugarloaf and Red
  • Radishes
  • Lettuces.
  • Rocket
  • Salad Leaves
  • Spring Onions
  • Winter Purslane

Planting out in September

  • Spring Cabbages: Remember to cover these to keep the birds and caterpillars away!
  • Japanese type Onion sets
  • Strawberries.
  • Peaches & Nectarines


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