Mr Digwell’s December Tips

December is an important month in the garden, and it is great working next to Robins and various wildlife skittering in and out of the garden in search of food. Lately there have been a lot of Long Tailed Tits stopping by for a chat.

Soil

It’s been hard work in the rain and cold, but ridging the vegetable bed is an important way of helping the soil. Essentially it allows a greater area of soil to be exposed to the elements and therefore to break down naturally. Also, the action of the rain brings nitrates back into the soil – did you know that by ridging you can increase the amount of nitrates in the soil? It is one of the reasons why farmers leave the land ploughed, it improves the fertility of the soil!

Buddleia

Now I have a bit of a problem. I have a Buddleia which needs cutting, but it is in constant use. On the wall of the cottage there is a bird feeder and the birds come and sit in the bush before taking their turn on the feeder! But the problem is this: in order to maintain a really good bush it has to be cut back. If I do it will come back next year with no trouble. But if I don’t it will just become a straggling mess. Out come the pruning shears I’m afraid. I just hope that the birds won’t mind and will still come to the feeder!

Once cut back, I will mulch the base, after clearing away any weeds there may be. You can give it a serious haircut, cutting it back to around 30 cm (1 ft) from the ground. The buds will burst into life in the Spring and the bush will be just as tall as it was last year, but the flowers will be better.

Bare rooted trees

I like to prepare the ground a few weeks prior to planting because this gives the soil a chance to rest. Dig a large hole and half fill it with 50% well-rotted manure and 50% compost and then refill in with your dug out soil. In a couple of weeks you can plant in this mixture.

Don’t forget to support your new trees with a stake and make sure it is really firm. After a week or so you can revisit the newly planted trees and heel them in. This is important because rocking trees do not do well, it troubles new root growth.

Potatoes

Start potatoes! Yes! Start potatoes – not many, just a few. Pop them in a box of compost and keep frost free. In the New Year they can be planted into a frost free greenhouse or polytunnel and ignored, so you have, by Easter, something of a crop – assuming Easter falls in May! Use First Early varieties; these are the only ones that will work in this way. Give them a little water, not too much, and they will surprise you.

Dahlias

Early dahlias are fun to try. If you wrapped your tubers in newspaper and popped them under the stairs – it always was under the stairs for us, but any frost free place is good, then you can try planting some of them in the warm, in large pots of good compost. If you have a conservatory, this is the ideal place. Give them a little water and they will flower in May or early June.

This is the first ever gardening I did as a boy, both my father and grandfather were wild about dahlias, perhaps it was the ten guineas they almost invariably won at the flower show that was the interest. Back then it was almost a month’s wages!

General

Make sure that, every morning, you air the greenhouse – especially if you are actively growing in it. This way the chances of damping off and other fungal infections are reduced.

If you have a rockery, with fairly delicate plants, take some time to remove excess water so they are not broken up by the constant freezing and refreezing. Most alpines are fairly hardy, after all it is fairly cold living up in the mountains where many of them come from, but they do not like to be cold and wet.

Bring strawberries into the greenhouse for forcing. If you want brilliant fruits for Wimbledon, then cloche your strawberries and keep them warm. But to provide fruit even earlier – get them indoors in large pots.

It is also a good time to force rhubarb. We used to dig up the roots and leave them to overwinter on the surface but if you bring a couple indoors, pop them in a large box of compost (I use an old brood box from a beehive) and let them grow in the warm, you will get early rhubarb.

Work if you haven’t already done it includes:

  • Cleaning everything – disinfect tools, pots, work surfaces, greenhouse glass, water butts.
  • Turn the compost heap and insulate the thing so it doesn’t lose too much heat in the winter.
  • Dig out the borders for new bedding, and give onion and carrot beds for next year a really fine loamy soil by plenty of hoeing.
  • Manure potato beds.
  • Go round the garden firming in so the wind doesn’t rock the life from them.
  • Spend 15 minutes of each day, peeping out of the door of the shed or greenhouse, feeling good to be alive.

Mr Digwell gardening cartoon logo

Paul Peacock studied botany at Leeds University, has been the editor of Home Farmer magazine, and now hosts the City Cottage online magazine. An experienced gardener himself, his expertise lies in the world of the edible garden. If it clucks, quacks or buzzes, Paul is keenly interested.

He is perhaps best known as Mr Digwell, the cartoon gardener featured in The Daily Mirror since the 1950s. As Mr Digwell he has just published his book, A Year in The Garden. You can also see more about him on our Mr Digwell information page.

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2 thoughts on “Mr Digwell’s December Tips

  1. Pingback: Why Do Gardeners Need Good Soil? | Coffee Grounds to Ground

  2. Pingback: New English Garden Bee Plant – Buddleia “Lo And Behold ©” Ice Chip « Romancing the Bee

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