Late spring is the season when fruit trees and berry bushes move from blossom to young fruit, and the care you give now shapes the size, flavour and health of the harvest months later. Flowers that were pollinated in early spring are now setting fruit, and the tree has to decide how much of it it can ripen well. Your job is to help it make that decision, keep it watered and fed without pushing soft, pest-prone growth, and watch for the first signs of trouble while they are still easy to deal with. This guide covers apples, pears, plums, peaches, cherries, strawberries, raspberries and blueberries through late spring, with the emphasis on thinning, pollination follow-through and steady, unhurried care. As with all seasonal timing, local conditions vary widely, so check your local extension service for the dates and varieties that suit your area.
What late spring means for fruit
By late spring most fruit trees have finished flowering and the tiny fruitlets are visible, often clustered in groups of three to five along each spur. At this stage the tree is doing two jobs at once: growing the current crop and laying down flower buds for next year. Both jobs need water, light and a reasonable supply of nutrients, and both suffer when the tree is stressed by drought, overcrowding or heavy pest pressure. A tree that sets far more fruit than it can support will often drop some of it naturally in what growers call the June drop, but relying on that alone usually leaves too many small, poorly flavoured fruit behind.
Berries follow a faster rhythm. Strawberries planted the previous year are fruiting now, raspberries are in flower or setting fruit depending on whether they are summer- or autumn-fruiting types, and blueberries are swelling after their spring bloom. Each type wants slightly different handling, but all of them reward the same basics in late spring: consistent moisture, a mulch layer that keeps roots cool, and space for air to move through the foliage. For crop-by-crop detail, see our growing guides for growing apples, growing strawberries and growing blueberries, and the zone page for Zone 5 spring gardening.
Thinning young fruit
Thinning is the single most useful late-spring job on apples, pears, plums and peaches, and the one most gardeners skip. When fruitlets are about the size of a marble, remove the smallest and any damaged or misshapen ones, leaving one fruit per cluster on apples and pears, spaced roughly a hand's width apart along the branch. On plums, leave fruit a few centimetres apart; on peaches, leave one fruit every fifteen centimetres or so. It feels wasteful to take fruit off a tree, but a thinned tree produces larger, better-flavoured fruit, breaks fewer branches under the weight, and is far more likely to crop well again next year instead of falling into a cycle of one heavy year followed by almost nothing.
Thin on a dry day, work from the top of the tree down, and use your fingers or small snips rather than pulling, which can damage the spur that carries next year's buds. If a branch is already bending under the weight of fruit, thin it hardest and consider propping it with a forked stick padded with cloth. Leave thinning until after the natural June drop if you are unsure how much fruit will set, but do not leave it much later than that, because the benefit shrinks as the fruit grows. Cherries and berries are generally not thinned in this way; for them, the priority is picking promptly once ripe so the plant is not feeding overripe fruit.
Pollination: what happens after the bees leave
Pollination itself happens during bloom, but late spring is when you find out whether it worked. If many flowers produced no fruit at all, the cause is usually weather during bloom — cold, wind or rain keeping pollinators indoors — rather than anything you did wrong after the event. There is little to fix in the same season, but you can plan for next year: plant a second compatible variety nearby, because most apples, pears, plums and sweet cherries need cross-pollination from a different variety that flowers at the same time, and add early-flowering plants nearby so pollinators are already visiting your garden when the fruit blossom opens.
In late spring, protect the pollinators that are still working on raspberries, blackberries and late-flowering fruit. Avoid spraying anything on open flowers, and if you must treat a pest problem, do it in the evening when bees have stopped flying, and choose the most targeted option available. A garden that welcomes pollinators in spring will also have them for the summer vegetables that follow. If your trees flowered well but set very little fruit two years running, ask your local extension service about compatible pollination partners for your varieties, since a variety that flowers a week too early or too late is a common and invisible cause of poor crops.
Watering and feeding in late spring
Fruit trees and bushes need steady moisture as fruit swells, and late spring is when a dry spell does the most damage, because small fruit that is starved of water stays small and may drop. Water deeply at the root zone rather than sprinkling the canopy, and water in the morning so foliage dries during the day. A mulch of compost, straw or wood chips around the base — kept a few centimetres clear of the trunk — holds moisture and keeps roots cool, and it is worth topping up before the summer heat arrives. The watering calculator can help you work out how much water a bed or tree actually needs.
Feed lightly, if at all. A mulch of well-rotted compost in spring is usually enough for established fruit trees, and heavy feeding with nitrogen-rich fertiliser in late spring pushes soft leafy growth that aphids love and that ripens poorly. Young trees in their first two or three years benefit more from feeding than old trees do, because they are still building their framework. Blueberries are the exception to the usual feeding advice: they need acidic soil, so feed them only with a fertiliser suited to acid-loving plants and avoid lime or wood ash near them. If leaves are yellowing in a pattern you cannot explain, take the question to your local extension service rather than guessing at a deficiency.
Pests and diseases to watch
Late spring brings aphids to the soft tips of fruit trees, especially plums and apples, where they curl leaves and distort young shoots. A strong jet of water dislodges most of them, and encouraging ladybirds and other predators is more effective over a season than any single spray. Codling moth begins its activity as apples set fruit; pheromone traps and removing fallen fruitlets promptly are the home gardener's main defences. On stone fruit, watch for brown rot on blossoms and young fruit, and remove any shrivelled, mummified fruit from the tree and the ground, because it carries the disease into next year.
On berries, birds become the main pest as soon as fruit colours up, and netting draped over a simple frame is the reliable answer — check it daily so birds and other wildlife do not become tangled. Strawberry plants are vulnerable to slugs in wet springs, so keep straw mulch under the fruit to lift it off damp soil. Powdery mildew shows as a white coating on young leaves in warm, dry springs, especially on gooseberries and apples; improve air flow by thinning crowded shoots and avoid overhead watering. The pest identifier helper can help you narrow down what you are seeing before you act.
A late-spring fruit checklist
Work through this list once, then repeat it every week or two until summer. First, thin apples, pears, plums and peaches to the spacing above. Second, check that young trees are watered deeply after any dry week, and top up mulch where it has thinned. Third, prop or tie any branch that is bending under fruit. Fourth, remove fallen fruitlets and any mummified fruit from the ground, and look for aphid clusters on shoot tips. Fifth, net berries as soon as the first fruit colours, and pick strawberries promptly as they ripen.
Finally, take notes. Which varieties set fruit well this year and which did not, which tree needed the most thinning, and where the first pest appeared? Those notes are the basis of next spring's decisions, including whether to add a pollination partner or move a struggling bush. Fruit growing rewards patience and record-keeping more than any single product or technique, and late spring is the season to practise both. For the season ahead, read our summer fruit care guide, and browse the guides hub and the planting calendar for the rest of the year's fruit tasks.
Frequently asked questions
When should I thin apples in spring?
When the fruitlets are about marble-sized, usually in late spring after the blossom has fallen and the first natural drop has started. Thin to one fruit per cluster, spaced roughly a hand's width apart, and finish before the fruit grows much larger, because the benefit of thinning shrinks as the season goes on.
Why did my fruit tree flower but set no fruit?
The usual causes are poor pollination during bloom — cold, wet or windy weather keeping pollinators away — or the absence of a compatible pollination partner nearby. Most apples, pears, plums and sweet cherries need a different variety flowering at the same time. Check your local extension service for suitable partners for your varieties.
Should I feed fruit trees in late spring?
Usually only lightly. A mulch of well-rotted compost is enough for most established trees, and heavy nitrogen feeding pushes soft growth that attracts aphids. Young trees benefit more from feeding than old ones. Blueberries need acidic conditions and a fertiliser made for acid-loving plants.
How do I stop birds eating my berries?
Drape netting over a simple frame as soon as the first berries start to colour, and check the netting daily so birds and other wildlife do not become tangled. Picking ripe fruit promptly also reduces losses, and a frame keeps the netting off the fruit where birds can peck through it.
Is it too late to plant fruit in late spring?
Bare-root planting is best done while trees are dormant, but container-grown fruit trees and berry bushes can be planted in late spring as long as you water them well through their first summer. Plant in the cool of the day, mulch generously, and keep the soil consistently moist for the first few weeks.