The Garden in September

It’s been another strange year, weather wise, as we begin to feel the effects of anthropomorphic climate change. After a hot and dry June, July and August were cold and damp, and many plants were slow to get going. I lost most of my dahlias in the cold winter (even those stored in the shed). The one survivor is this Dahlia ‘Bishop of Leicester’, which against all odds came through, despite being left to fend for itself in the border, with not so much as a thin mulch to keep it warm. It’s only now beginning to produce a good crop of flowers.

My ever-expanding collection of Cannas was also decimated by the cold winter (probably just as well – they were multiplying faster than the broomstick in The Sorcerer’s Apprentice!) Growth has been so slow in this (mostly) cool, damp summer, that none of the survivors have flowered yet. They’re running out of time.

The roses were late to flower this year too, and have only just started flowering again, after a lengthy break. These two are R. ‘Wollerton Old Hall’, a new addition thriving against a mostly shady garage wall, and R. ‘Munstead Wood’…

R. ‘Dame Judi Dench’ has proved to be the most consistent for flowers…

Looking at the successes, scabious sown from seed last year were slow to establish but are looking good now…

Geraniums are garden stalwarts, able to do well in most soils and conditions. This one is G. ‘Eureka’…

The single flowers are good for the bees too. As are Hylotelephiums (formerly Sedum) which are coming into their own now. This is Xenon…

Other plants that are having their moment in the limelight, at the end of the season, include Anemone (this is A. ‘Honorine Jobert’)…

And asters…

Which were actually renamed as Symphyotrichum (how those botanists love to make the lives of us horticulturalists difficult!) They seem to love our soil. Curiously Aster ‘Monch’ (which wasn’t renamed) has been sulking since I planted it three years ago.

Rudbeckia ‘Goldsturm’ has been good this year…

And the Hesperantha’s (which used to be called Schizostylus – best keep to the common name of Kaffir Lily!) are going from strength to strength around (and even in) the pond…

I know from past experience they can be invasive. The clumps quickly become congested and less floriferous. I’ve found an easy way to keep them under control is to just pull out the flowered stems (before the seed is ripe, else they’ll set seed everywhere). A section of plant will generally come out with the stem, but that leaves the newer offsets, which will provide next year’s blooms, with space around them.

Another plant which thrives in the thin, sandy soil, is Gaura (which, you guessed it, has been renamed -it’s now Oenothera lindheimeri ‘Whirling butterflies’)…

It self-seeds everywhere, and creates clouds of small, white flowers on long stems. Very pretty, although it does tends to sprawl all over its neighbours.

Yarrow (Achillea) is a wildflower (or weed, if you prefer) that we let grow here and there in the garden…

This is the wild form of a widely grown cultivated plant. The flowers are actually almost as good as the cultivated varieties, though without the range of colours, and look good and last well in a vase. The foliage is attractive too.

It’s been a dreadful year for apples, with almost all the fruit affected by moth larvae, and many of the fruits small and not properly formed. Keeping wasps from destroying what harvest there is, has been a challenge. Conversely, the pears are having their best year so far. This variety is ‘Concorde’…

It’s been another challenging year. Perhaps the most important lesson to be learned from the variable conditions, and weather extremes, is to observe which plants hold up well in your garden, whatever the weather throws at them, stick with those, and introduce others that are related, or like similar conditions. Having said that, I do like a challenge!

text & photos © graham wright 2023

Monthly Gardening Tips – September

I’ve been writing a monthly gardening tips article for the Whitchurch Business Group website this year (I joined for my garden design business), and it occurred to me that maybe I should post the articles here too. So here goes. Apologies if I’m telling you things you already know (but it might well act as a reminder – something I often need!)

Plant perennials & shrubs

The soil is still warm, and there’s unlikely to be a shortage of moisture, so the roots of plants put in the ground now will have a chance to establish before winter. Bearing in mind how hot and dry this summer has been, consider plants that will withstand drought. Perennials that proved resilient in my garden this year include sedum (Hylotelephium), Echinops, salvias, asters (Symphyotrichum), Yarrow (Achillea), Gaura (now renamed as Oenothera) and Verbena bonariensis.

Many shrubs were badly affected by the drought, but three that performed well are Californian lilac (Ceanothus), smoke bush (Cotinus) and, somewhat surprisingly, a hydrangea – Hydrangea paniculata ‘Limelight’ (though this was in part shade).

Hylotelephium ‘Xenon’ (Sedum to you and me!)

Divide perennials

Established clumps of perennials that have finished flowering can be divided now. Discard any old, woody, unhealthy sections. Re-plant healthy sections, and give away any spares to friends, family or neighbours.

Spring flowering bulbs

Daffs, crocuses, iris, snowdrops and the like can be planted in the ground or into containers now. Buy them from garden centres, or place an order with an on-line supplier. You can order tulips at the same time, but if your soil is heavy, it’s best to wait until November to plant them in the ground, to avoid the bulbs sitting in wet soil for too long before they’re ready to start into growth.

Covering pots with mesh, netting, chicken wire etc., until the bulbs start sprouting, will stop rodents digging them up and eating them.

Hedges…

Can be given their final trim before the onset of winter.

Apples

If you have apple trees, now is harvest time. Different varieties are ready at different times (and it can vary from year to year). Test them by lifting and twisting the fruit – if they come off easily, they’re ready to harvest.

Malus domestica ‘James Grieve’

Think about wildlife

Dead foliage and flower stems of perennials don’t necessarily need to be cut down until next spring. Left standing, they will provide habitat and food for wildlife over the winter.

Lawns

From now, into autumn, is the best time to repair lawns. Re-seed any bare patches. Dips can be repaired by cutting and peeling back the turf, packing with some more soil, and then resetting the turf. Humps (which often form as the result of ant activity), can be dealt with in the same way (but remove some soil, rather than adding more – obviously!)

Plant an Autumn pot

Plants that will have some interest over autumn and winter can be used to make an attractive arrangement in a pot. Use small evergreen shrubs such as skimmia and evergreen euonymus, as well as ferns, ivy, grasses, heucheras, cyclamen, etc. Use plants that will last through winter as well as autumn, and you can add spring-flowering bulbs too.

Collect seeds

There may be more seeds to collect, and when weeding, watch out for plants that have self-seeded. For instance, in my garden I’ve noticed quite a few seedlings of an attractive red salvia called ‘Royal Bumble’.

Salvia ‘Royal Bumble’

Dead-heading

Keep on dead-heading roses, and particularly dahlias. Mine have been poor this year – they really didn’t like the shortage of moisture. But they have picked up a little now, and should keep on flowering until the first frosts.

Dahlia ‘Sunshine’ (now re-named as ‘Moonshine!)

Happy gardening!