Summer is approaching but don’t be tempted to put out summer bedding until the risk of frosts are over, and make sure they have been hardened off before planting out.
Dahlia plants can be planted out at the end of the month.
Stake any herbaceous plants that will flop over or be damaged by high winds.
Evergreen hedges can be cut from this month, but check for nesting birds before getting the hedgecutter out.
Regularly tie in climbers to their supports as new growth extends.
Cut lawns weekly, and apply a high nitrogen lawn feed unless drought conditions persist.
Treat broad leaved lawn weeds with a selective herbicide.
Lightly trim box hedges and topiary towards the end of the month.
Hang pheromone traps in apple trees to check for codling moths.
Watch out for viburnum beetle and lily beetle grubs.
French and runner beans, and sweetcorn, can be sown outside now. Runner beans are hungry plants, so before planting, dig out a trench, one spade deep, fork over the bottom and add well- rotted manure or compost to ground level then cover with the soil you had dug out, leave to settle before planting.
Related gardening tips by Wellie:
- Gardening Tips for May by Wellie
- Gardening Tips for April by Wellie
- Gardening Tips for March from Wellie
- Gardening Tips for February from Wellie
- Gardening Tips for January from Wellie
- Gardening Tips for December from Wellie
- Gardening Tips for November from Wellie
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