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  • 6 min read
  • 19.08.2025

Get Growing Subscription – September

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Hello Keen Grower

Welcome to your guide for your September ‘get growing’ seed subscription!

Here’s what’s in your box:

  • Radish Watermelon
  • Lettuce Bronze Beauty
  • Mustard Spinach Purple Komatsuna

Radish Watermelon

Sowing info

Can be multisown in module trays or sown direct outdoors from July to the first half of September in a sunny position. These are cool weather loving radishes so in very hot periods, delay sowing until the weather cools down a bit. Germination will usually take 7 to 10 days. When sowing direct plant seed at a depth of 3cm in shallow drills. Protect young seedlings from birds.

Growing info

As roots swell, harvest the largest roots to allow more room for others to grow larger. Succession sowing every 2-4 weeks will ensure a continual supply.

Blog – How to Sow and Grow Radishes

Lettuce Bronze Beauty

Sowing info

Surface sow onto moist compost and just cover. Lettuce will not germinate in hot weather, so do not supplement heat and avoid sowing in the hottest days of summer. Plant out after last frost.

Growing info

Heat tolerant and slow to bolt. When you harvest lettuce, you can just remove the lower, outer leaves to significantly extend your harvest period as the plant will continue to grow. Regular succession sowing will ensure a contiunuous crop.

Blog – How to Sow and Grow Lettuce

Mustard Spinach Purple Komatsuna

Sowing info

Surface sow onto moist compost and just cover. Plant out when big enough to handle. Alternatively sow direct 1cm deep. Regular succession sowing throughout the year will give an almost year round supply.

Growing info

Prone to bolting in mid summer so will perform better in the cooler months. Treat as a cut and come again when harvesting. May require some netting if bird and insect pests prove a problem and keep moist to avoid premature bolting. Cold hardy but will need some protection outside in the coldest months.

Garden jobs for this September

  • Harvest and Store – Keep gathering what’s ready and store it carefully so it lasts into the colder months.
  • Prepare for Next Season – Clear away old plants and refresh the soil to get beds ready for future sowing.
  • Tidy and Protect – Weed, mulch, and cover beds to keep them neat and protected as the weather cools.

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Meet the author
Nelly

Nelly works in the She Grows Veg marketing department and is an incredible cook! She's learning how to grow veg fast in her very own container garden. Her favourites so far are the Dwarf Sunflower called 'Sunspot' and our Dwarf Pea called 'Tom Thumb'.

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