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03
Jul 2021
The Stray Gardener is written by Rudding Park’s Kitchen Gardener, Fiona Slight. Fiona has worked in horticulture for more than 30 years in the UK and abroad, and specialises in growing fruit and vegetables for fine dining. This month, Fiona’s been dead-heading her plants; she also shares her top tips for what we should be doing in our gardens this July.
I love the therapeutic effect of dead-heading and would happily spend hours doing it if I could. I especially love dead-heading sweet peas (Lathyrus odoratus), which were one of the first flowers I dead-headed as a child with my great aunt hovering over me, concerned that I wouldn't do it correctly. Those plants were her pride and joy!
But, is it really worth while spending all that time dead-heading the plants in your garden, and does it need to be done for every plant?
In a nutshell, dead-heading is removing flowers from plants when they are fading or dead. There are a few reasons why this is worthwhile:
There are many plants that are worth dead-heading, with bedding plants in containers and hanging baskets being the first contenders. Pelargoniums, petunias, pansies, polyanthus, violas and cosmos all benefit from dead-heading. Shrub wise, if you have time, it is well worth dead-heading rhododendrons, azaleas and camellias. Bulbs such as narcissus (daffodils) and tulips also benefit from dead-heading as the plant then directs any energy made back into the main bulb for flowering next year.
Fading or dead flowers can be removed quickly by hand and most will snap off cleanly when gently bent back. But if the flower stalks are tough or stringy, use scissors or secateurs to ensure a clean cut and to avoid damaging any developing buds underneath.
Plants such as dahlias, calendulas, marigolds and sweet peas are generally better cut with secateurs. Fading rose flowers can be snapped off just below the head rather down to the first set of leaves; this can actually help produce more flower buds more quickly on repeat flowering cultivars.
But before you march out into the garden brandishing your secateurs, you don’t have to dead-head everything. Plants such as fuchsia, bedding lobelia and salvias will either dead-head themselves or don’t tend to produce a lot of seed so will keep repeat flowering. It’s also worthwhile finding out which flowers are good for wildlife. If you leave sunflower heads, the seeds will encourage birds into your garden. There are some cultivars of roses that produce beautiful hips and so are worth keeping for interest through the winter. Lastly, hydrangea flowers are actually best left until spring to protect the developing bud underneath.
If you have never dead-headed before, give it a go and hopefully you’ll find it as therapeutic as I do. Happy snipping!
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