September in the Garden 2020

Thursday, 10 September 2020  |  Alison

I know I say this with almost every month of the gardening year, but I do love September in the garden. I find it a therapeutic month, with time to enjoy the harvests of the vegetable patch and have enough flowers to fill vases inside with a dazzling delight of dahlias, this year in soft peachy pinks and ornate oranges.

If you have time, as I guess many are back at work and school now, there are a few jobs you can be doing in the garden this month to ease the garden and yourself from high summer into autumn mode: -

Deadhead summer flowering geraniums, begonias and petunias in hanging baskets and window box displays. This will immediately give them a neater appearance, encouraging new buds to open, rather than old faded petals producing seed. Trailing foliage plants like nepeta, helichrysum and ivy can tend to look a bit straggly towards the end of the summer, so any plants that have outgrown their allocated slot can be trimmed back. Don’t forget to continue a weekly feed and daily watering.Your hanging baskets will then carry on giving a marvellous display throughout September and into October, especially if we have an ‘indian summer’.

It’s time to clean the greenhouse

It’s time to clean the greenhouse panes of glass on the outside, definitely, as this will allow more of the dappled light through that we have in September, and hopefully allow the ripening of those tomatoes. My greenhouse glass has been covered with dust from machinery making a new roadway to the rear of our property and even though it is more than 1000yds away the dust seems to have settled particularly on my greenhouse this summer. The layer of dust in the house I can forget but the greenhouse, no way!

Our latest autumn catalogue is packed with ideas so you can choose colour schemes for patio pots and borders with our brilliant range of spring bulbs. If you choose carefully, you could have spring colour until May with spring bulbs.Starting with crocus, then hyacinth & daffodils, followed by tulips and alliums, all popping up through your displays at various intervals. It will give you something cheery to look forward to in the transition from winter to spring 2021.

Our new collection of garden ready evergreens and winter flowering 9cm pot of specially chosen shrubs, grasses and pansies will give form, colour and scent all winter.

Pruning conifer or yew hedges or trees can be a daunting task especially if they have grown very tall or very thick. In this instance it is wise to call in a reputable tree specialist as they have all the specialist equipment required to do the job efficiently. If you are just lightly pruning to keep the trees shape and they are manageable just get someone to assist by steadying the ladder. Conifers do not regrow from old wood so don’t be tempted to hack back too far. On the other hand, yew respond well to a hard prune.

Sow a few hardy annuals now in a sunny spot for an earlier display next summer. Prepare a small area in the garden border or in a spare patch in amongst the vegetables. Clear any weeds and rake to a fine tilth to level the soil. Either sow in drills or broadcast the seeds by scattering a handful over the area and gently cover with soil. This is not so precise but fun to see what comes up where, but is also a bit tricky to spot the weeds from the plants, so you may prefer the straight-line approach. Water with the rose of the watering can on so as not to spread the seeds in all directions. Easy to grow hardy annuals are nigella, calendula, cornflowers, borage and nasturtiums.

Take a critical walk around your garden with a notepad and pen, no stopping to weed, and write a list of things to do that will improve particular areas.  Plants may need to be moved to a better spot or plants may need to be dug up, split and replanted, (clumps of longstanding perennials like iris that have spread out but stopped producing as many flowers).  It may be that you need to inject a bit more colour into the border or patio pots from late flowering perennials.  A deciduous shrub that is all bare leaves in winter can be hard to remember in late November so take a photo to remind you of what may need pruning now or leaving until spring.


Hoping you all have a great September whatever you are doing in your garden and remember to relax and enjoy late summer moments whether it be on a sunny morning before the ‘new normal’ of returning to work or enjoying a sit down after a hard day’s work in a shady evening spot. I will leave the choice of tipple up to you. For me, its always an Earl Grey!


Have fun and enjoy your garden,


Your Brookside Blogger

Brookside Nursery