© Claire Harrup

What to plant in January

Head gardener Benjamin Pope is keeping busy this month in preparation for spring. Here are his suggestions of what you could be planting through the month of January

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Published: January 10, 2024 at 8:36 am

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Don't miss our suggestions of the best winter-flowering plants, the gardening jobs for the month and the top winter walks in gardens.

What to plant in January

Onions, broad beans and sweet peas

Lathyrus odoratus 'Nimbus' sweet pea
Lathyrus odoratus 'Nimbus' sweet pea © Jason Ingram

In terms of seed sowing, January is still a dark month, and outside is often too cold and wet. However, by the end of the month I generally find that I can’t wait any longer and start off onions, broad beans and sweet peas in modules, first in the greenhouse but then quickly moving them somewhere cool (but frost free) to grow on.

Sweet peas

I find starting off sweet peas now easier than looking after them through all of winter, though these early module sowings usually require potting on and supporting with split canes or twigs, before planting out in spring.

Here's more on how to grow sweet peas

Don't plant perennials, plant trees and shrubs

As January is usually one of the coldest months, I would avoid planting perennials (which I’ve found generally do better if they can get growing straight away). Instead, plant trees and shrubs. Bareroot season is in full swing and planting a hedge is a great way to add structure to the garden and provide habitat for wildlife.

This year I am going to plant the seldom-seen Sorbus torminalis (known commonly as both the checker tree and the wild service tree), where its flowers, leaves and fruit will provide a good source of food for a range of wildlife.

Don't miss our round up of the best perennial plants

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