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Jobs to do in June

Summer should be here!

Usually the risk of frost has passed by now, and with longer days there comes more sunshine and time to be in your allotment. If the weather is dry, then water your seed drills well before sowing any seeds – this way the young plants will develop a good root system.

Fruit Trees & Bushes
Vegetable Jobs
Jobs Around the Plot
Fruit Trees & Bushes June

Fruit jobs in June

Pruning and training

  • Continue training fan-trained trees.
  • Pull off suckers appearing around the base of fruit trees.
  • Pinch prune figs.
  • Thin pears, plums, peaches, nectarines and apricots.
  • Apples should be thinned at the end of the month.
  • Train in new shoots of blackberries and hybrid berries.
  • Summer prune red and white currants and gooseberries.
  • Shorten newly planted raspberry canes once new shoots are produced.
  • Summer prune kiwifruit and indoor grapes.
  • Thin out fruit of indoor grapevines if large dessert grapes are required.

General care

  • Change the feed for pot-grown fruit to a high potassium liquid one.
  • Where possible, prevent the skin splitting on ripening cherries by erecting polythene covers over the trees.
  • Peg down strawberry runners and remove cloches from outdoor strawberries once cropped.
  • Water blueberries, cranberries and lingonberries regularly with rainwater. Use tapwater when butts run dry.
  • Water and feed indoor melons daily once they are established and plant into growing-bags in a heated greenhouse.
  • Avoid using insecticides on crops when they are in flower.
  • Make sure fruit isn’t drought stressed, especially in containers, against a wall or newly planted.
Vegetable jobs in June

Vegetable jobs in June

Sowing and Planting

  • Continue sowing salad crops, such as beetroot, Chinese cabbage, pak choi and radish.
  • Leafy salad crops may do better when sown in partially shady sites since hot dry weather can lead to bitter tasting leaves.
  • Sow French, runner and broad beans, peas, squash, sweetcorn, and outdoor cucumbers directly into prepared beds outside.
  • French beans are best sown in traditional rows, 45cm (18in) apart, at 15-22cm (6-9in) spacing.
  • Sweet corn works best planted in blocks, at least 45cm (18in) spacing, with two seeds per hole.
  • Any Sweet Corn seeds sown earlier under cover can now be planted out into the same block pattern. Sow before mid June.
  • Runner beans need well-prepared ground and suitable supports (often a frame or wigwam of bamboo canes tied together with twine) for the shoots to twine around and grow upwards.
  • Courgettes, marrows and pumpkins can still be sown outdoors in early June.
  • Although most winter brassicas need to be sown earlier in the season, calabrese, turnips and kohl rabi can be sown now for an autumn crop.
  • Start treating potatoes and tomatoes against blight.
  • Celeriac and celery can be planted out early this month. A well-prepared site with lots of organic matter dug in is essential.
  • Outdoor ridge cucumbers can be planted out early this month. They benefit from a site that has been enriched with lots of organic matter to help retain water.
  • Plant vegetables sown indoors earlier in the season, including winter brassicas and sweet peppers. Peppers can only be planted out when all risk of frost has passed, and ideally beneath cloches.
  • Gaps between winter brassica plants can be used for quick-maturing catch crops, perhaps radishes or gem lettuces.
  • Plant out artichokes that were previously sown under cover. They can be grown as perennials (in which case they need 90cm spacing), or as biennials (45cm spacing is sufficient).

General care

  • Regularly feed ridge cucumbers with a liquid tomato feed, following the instructions given.
  • Peas need staking with pea sticks, netting or pruned garden twigs.
  • Continue to earth up potatoes not ready for harvest (unless planted through black plastic).
  • Do not harvest asparagus spears from crowns less than two years old.
  • Hoe between rows on hot days to make sure weeds dry up and die without re-rooting or they will compete for moisture and nutrients. Weedkiller might kill or damage your crops as well as the weeds.
  • Water tomatoes and peppers regularly to prevent blossom end rot - a symptom of calcium deficiency due to erratic water supply.
Jobs Around the Plot in June
Turn your compost heaps

Jobs in June around the plot

Vegetable jobs to do

  • Earth up potatoes
  • Build supports for climbing beans
  • Cut down broad beans and peas when harvesting is over, leaving the roots in.
  • Feed asparagus
  • Pot up Strawberry runners

Shed Repairs & Maintenance

  • Check guttering etc to save valuable water!
  • Does that shed need another coat of preservative?

General jobs

  • Keep hoeing for dear life!
  • Thin out seedlings.
  • Keep potting on, hardening off and transplanting.
  • Water young plants regularly.
  • Turn your compost heaps
  • Keep checking plants and water when needed.
  • Mulch: Continue to mulch using garden compost, well rotted manure and bark chips, these will keep weeds at bay and lock in moisture too.


Harvesting in June
First Early Potatoes should be ready!

Ready for Harvest in June

  • First Early Potatoes
  • Swiss Chard
  • Spinach Beet
  • Turnips
  • Cauliflowers
  • Asparagus
  • Broad Beans
  • Garlic
  • Globe Artichokes
  • Beetroot
  • Onions
  • Spinach
  • Peas
  • Florence Fennel
  • Kohl Rabi
  • Lettuces
  • Spring Onions
  • Radishes
  • Carrots
  • Rhubarb
  • Broccoli
  • Strawberries
  • Gooseberries
  • Cherries
Sowing in June

Pumpkin Seedlings in a paper pot

Seeds to Sow and things to Plant Out in June

What to Sow

  • Continue to sow beetroot, perhaps a few at the begging of the month and a few at the end, so that in the end of September and October you should have some to harvest that are not too large.
  • Sow late sprouting broccoli seeds where you want them to grow or in a seed bed for transplanting later.
  • Carrots - Last chance to grow maincrop varieties, these will be ready in October.
  • Courgettes, summer squashes and marrows: If you don't already have plants you have raised in pots these can be sown directly now.
  • Cucumbers: Outdoor cucumbers are usually started off earlier in pots or under cover, but you can sow a few outdoors now for a crop in August and September.
  • Florence Fennel: Traditionally the best time to sown is after the 21st June, the longest day of the year.

Sowing Outdoors

  • Beetroot seeds
  • Broccoli, both sprouting and calabrese
  • Brussels sprouts, calabrese and broccoli directly into seed beds outside
  • Carrots in rows outdoors, keep soil moist for good germination
  • Courgettes and Summer Squashes
  • Florence Fennel towards the end of the month
  • French beans
  • Kale
  • Kohl Rabi
  • Marrows
  • Oriental Leaves
  • Peas
  • Pumpkins and Winter Squash
  • Runner Beans
  • Swede
  • Swiss Chard
  • Turnips

Salads crops to sow outside:

  • Chicory
  • Cucumbers
  • Endive
  • Lettuces.
  • Radishes (summer).
  • Salad Leaves
  • Spring Onions

Planting out in June

  • Aubergines
  • Brussel Sprouts
  • Cabbages (Red Summer, Autumn & Winter)
  • Cabbages (Summer & Autumn)
  • Celeriac
  • Chilli Peppers
  • Courgette and Summer Squash
  • French Beans
  • Kale
  • Leeks
  • Marrows
  • Pumpkins and Winter Squash
  • Runner Beans
  • Sprouting Broccoli
  • Sweet Potatoes
  • Sweet Peppers
  • Sweetcorn


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