May

In The Vegetable Garden This May

Harvest aspargus spears when they are no longer than 18cm tall.

Thin out direct-sown vegetables such as spinach, carrot and lettuce seedlings, then water the rows well.

Continue earthing up potatoes.

Protect carrots from carrot fly by covering with horticultural fleece.

Harden off outdoor tomatoes, courgettes and pumkins for planting early next month.

Pinch out the growing points of broad beans as soon as beans start to appear at the base of the plant to reduce the risk of blackfly attack.

Weed around your onion and garlic to reduce competition for nutrients and water. Apply an onion fertiliser too boost growth.

Make supports for you runner beans, using 8ft (2.4m) bamboo canes.

Support pea plants with twiggy sticks or pea netting.

Top Tip:

Keep on top of weeding, weeds will compete with you vegetables for precious water, light and nutrients.

 

This Month's Key Tips
  • Mow lawns weekly.
  • Plant out summer bedding towards the end of the month, when the weather gets warmer.
  • Open greenhouse vents and doors on warm days.
  • Watch out for late frosts. Tender plants will need protecting.
  • Water early and late to get the most out of your water, recycle water when possible.
  • Check for nesting birds before clippings hedges.