20 Tips for a Perfect September Garden

When September arrives it reminds us that Autumn is well on it’s way but it is also one of those months that fly by so fast that if you blink your going to miss it! We all need a hand to deal with the upcoming workload, here’s 20 Tips for a Perfect September Garden to help.September Garden Jobs

Especially true for busy gardeners who won’t have a moment peace until well after September has past. What with the end of many of our late summer vegetable crops, like courgettes and squash and the start of winter onions, leeks, garlic and green manures.

Not to mention the fact that as the grass cutting slows down, September is the time to think about lawn care, scarifying and aeration plus the application of an Autumn feed, weed and moss killer.

Gardening jobs to do in September…

Order Spring bulbs for planting in the next few weeks.

Plan your new year vegetable garden following your crop rotation programme.

Order your winter vegetable seeds and onion sets.

Choose a winter Garlic for planting mid Oct.

Sow Spinach as the weather cools down.

Cut back perennials that have finished flowering, to encourage a flush of fresh foliage.

Mulch bare soil with well rotted homemade garden compost.

Dead head Autumn flowering perennials to prolong flowering.

Pick pears as they start to ripen.

Collect and store or juice your excess apples.  

Sow Winter hardy Green manure on any empty vegetable beds.

Liven up your pots or baskets with Cyclamen, violas and winter heathers and grasses.

  1. Winter container ideas
  2. Clean your Glasshouse or Polytunnel remove algae to improve light levels.
  3. Continue mowing but increase the height of cut.
  4. Scarify your lawns to remove moss and thatch, one week later apply an Autumn weed & feed.
  5. Begin collecting leaves, compost the oak and beech as they are the best.
  6. Divide any large rhubarb plants replant the best for increased yield.Divide rhubarb
  7. Clean up grasses removing dead leaves and broken seed heads.
  8. Start deadheading Lavender, cut back to encourage growth of new shoots.Deadhead lavender
  9. Continue deadheading roses, clean up any diseased leaves on or around the stems.Diseased roses

Grow with me on


Stephen Pryce-Lea

Head Gardener and International Horticultural Consulatant




“It’s a beautiful thing when a career and a passion grow together, when you find it in a Garden it’s like finding Paradise“

iGrowHort – A Head Gardener’s Horticultural Journey of love, life and learning.



About Head Gardener 334 Articles
Award winning, 40 something year old professional plantsman and horticulturalist with National Trust, private parks and estate management background. My vast plant knowledge and hands on techinical experience, afforded me the opportunity to work in various horticultural landscapes, in the UK, USA & Eastern Europe. Having worked in both garden retail & the design service industry gave me the practical diversity and managerial skill set, required for running a large prestigious gardens and stately homes. I strongly believe knowledge is to be shared and have worked closely with people and staff of all ages and abilities keen to develop their passion for gardening, including groups of children, special needs and adults. I have hosted guided walks, talks and tours for those keen to learn about cultivated and wild plants, garden development, history and design. As an member of the NNCPG and National Trust, I am actively involved in the preservation of several important plant collections both in public and private gardens throughout the UK. “It’s a beautiful thing when a career and a passion grow together, in a garden it’s paradise” Follow @IGrowHort on GardenTags. Stephen is passionate about gardening as Head Gardener with a team of ten staff he manages a prestigious Cheshire country estate of 55 acres, inc wild flower meadows, woodland, organic kitchen and formal gardens. Follow Stephen today”


    • Thanks October’s to do list will be available from the first of the month, however September is such busy month it’s hard to fine the time to record it all 🙂 Hope your followers enjoy my post. Drop by again soon. Stephen

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