What to sow and grow in September
Below is a list of both flowers, vegetables and fruit trees that you can order in August, to sow or plant, and see results from in the coming months! Click on the green text to be redirect through to the Thompson & Morgan website.
In the Greenhouse / Indoors
In the cold frame / under cloches
• Sow Violas in a cold frame and plant out in the spring.
• Start Verbascum seeds off outdoors now either direct sown or in pots in a coldframe.
• Sow perennial Salvias into pots and trays outdoors now and leave in a coldframe or unheated greenhouse through the winter.
• Sow Red Hot Pokers into pots and trays outdoors for flowers next summer!
• Attract bees and butterflies into your garden by sowing Helenium now in a coldframe.
• Hardy Geraniums can be sown now outdoors and left to over-winter.
Direct Sow Outdoors
• Get the Chelsea look by sowing Ammi majus (Queen Ann’s Lace) directly in the ground now where you’d like it to flower!
• California Poppies don’t transplant well so sprinkle them into your borders now for stunning colour late next spring.
• Direct sowings of Love-in-a-Mist will over-winter quite happily and will self-seed prolifically!
• Sow Delphiniums now where you would like them to flower next summer.
FRUIT & VEGETABLES
In the greenhouse / indoors
In the cold frame/under cloches
• Sow Pak Choi outdoors now for an autumn supply of baby salad leaves.
Direct sow outdoors
• Corn Salad (lamb’s lettuce) is a fully hardy crop which can be sown outdoors now for cropping throughout the autumn and winter.
• Onion ‘Hi Keeper’ is the best variety of onion for autumn sowing into a well prepared seed bed. Only thin your onion seedlings in the spring.
• Salad Leaves can be direct sown now and are at less risk of bolting.
• Spinach ‘Perpetual’ is very hardy – try sowing seed outdoors now for winter harvests later in the year.
• Last direct sowings of summer radishes can be made now – the cool autumn conditions are ideal.
• You can still sow turnip seeds into well prepared beds for small roots.
• Sow winter lettuce such as ‘Arctic King‘ directly into the ground now.
• Plant out any spring cabbages sown during the summer.
• The end of this month is the perfect time to start planting garlic bulbs for cropping next year.
• You can start to plant autumn onion sets this month.
• There’s still time to plant Pak Choi for a late crop of baby leaves.