April is when your apple tree shakes off winter and asks, very politely, for breakfast. A smart first feeding now sets the tone for blossom, fruit set, and the kind of harvest that makes you feel like you actually know what you are doing. Here is the plan: hit the right window, give the tree what it actually needs, measure properly, and keep a few guardrails in place.
When the timing is right
Feed after the snow is gone and the ground has thawed to about 20 cm, there is no standing water in the root zone, and daytime temperatures sit above +5 to +8°C. In the middle belt, that window usually lands from late March into early April.
What the tree is hungry for
After winter, an apple tree wants three essentials: nitrogen for new shoots and leaves, phosphorus for root development, and potassium for disease resilience and fruiting.
Your simple first-feeding game plan
- Urea: Dissolve 30–40 g (about 2 tbsp) in 10 L of water. Pour it into the trunk circle: 2–3 L for a young tree (up to 5 years), 4–5 L for a mature tree.
- Ammonium nitrate: Scatter 25–35 g per 1 m² over moist soil in the trunk circle, lightly work it in with a rake, then water.
- Well-rotted manure: Spread 20 L around a young tree or 50 L around a mature one, keeping a 30 cm buffer from the trunk, and incorporate it into the soil.
- One week later (after the nitrogen feed), follow with a complete fertilizer: Mix 50–60 g of a balanced NPK (azofoska) into 10 L of water. Apply 3–4 L to a young tree and 6–8 L to a mature tree.
Rules that save the crop
Apply only to thawed soil. Frozen ground locks nutrients away, so the tree will not use your effort or your fertilizer.
Stick with composted or well-rotted manure. Fresh manure scorches roots and pushes leafy growth at the expense of fruit.
Measure like you mean it. The stated rates are there for a reason; lighter feeding beats overfeeding every time.
Watch the forecast. If a cold snap is on the way after a warm spell, wait to feed until the chill passes.
Rotate your approach year to year. Alternate mineral and organic feedings across seasons to keep soil life and fertility in balance.
Get this early-spring feeding right and your apple tree wakes cleanly, blossoms on schedule, and has the reserves to carry fruit well into the season. It is not complicated. It just rewards accuracy.