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InsightHorizon Digest

Do you feed conifers

Author

Andrew Mccoy

Updated on April 03, 2026

Conifers are not heavy feeders and need only an annual application of a general, complete garden fertilizer such as 10-10-10 or 16-8-8, or a top dressing of well-rotted manure. It is best to fertilize in the early spring before the plants break dormancy, or in late fall before the soil freezes.

Do conifers need feeding?

In reality, conifers very rarely require any type of feeding but it might benefit from feeding if you have one that looks a little unhealthy.

How do you keep conifers from turning brown?

Preventing conifers from turning brown is typically as simple as keeping it well watered, pruned, and spaced. If there is an inadequate amount of space between one plant and another it can inhibit airflow which can increase fungal infections and bacterial infections.

Do conifers need ericaceous feed?

Most conifers like an acid soil so incorporate some ericaceous compost into the planting hole. Dig a hole to accommodate the size of the pot and loosen the soil around the sides with a fork; this allows the roots to penetrate easier.

How do you keep conifers healthy?

  1. Ongoing care. Once they have settled in, most conifers need very little attention.
  2. Watering. During the first two years after planting, new conifers need regular watering to ensure the soil stays moist, particularly in dry and hot spells. …
  3. Feeding. …
  4. Weeding. …
  5. Mulching. …
  6. Looking after conifers in containers.

Can you fertilize conifers?

Watering and feeding conifers Apply a six-month controlled-release fertiliser suitable for trees and shrubs at the start of spring and autumn.

What is the best feed for conifers?

Conifers are not demanding or greedy plants, so an annual feed with a general purpose fertiliser at the end of each winter is usually sufficient. However, it is important to keep the roots cool and dry and not allow your plants to dry out.

How do you keep conifers green?

Coniferous trees should be trimmed in spring or summer. To trim them in autumn encourages dieback. Always trim within the green needle boundary because the brown needles never grow back green. Only 300 in the country, approved by the Arboricultural Association.

Can you over water conifers?

Water 2-3 times per week for the first several weeks and then once per week. For further watering, place your finger 5-8cm (2-3in) deep and water if the soil feels dry. Do not overwater.

Do conifers need a lot of sun?

Most conifers grow best in full sun, but a bit of afternoon shade is best for dwarf conifers in warmer southern parts of the UK. Shelter.

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How do you feed conifer hedges?

To give your Conifer Hedge a boost I would feed with a general base fertiliser such as Fish Blood and Bone Meal or Vitax Q4.

What is best fertilizer for evergreens?

A “complete” fertilizer — one that supplies the macronutrients nitrogen (N), phosphorus (P), and potassium (K) — is often recommended. A fertilizer analysis of 10-8-15 means the fertilizer has 10 percent nitrogen, 8 percent phosphorous, and 15 percent potassium.

Can a brown conifer be saved?

The brown needles and shoots will be shed and behind them will come new growth. It may take a while, but your trees and hedges should be able to recover. Don’t be tempted to prune it out or ask someone to do it for you. … So if you prune them now, you could cut back too far and the plant will never recover.

What causes conifer trees to go brown?

RHS Gardening Advice believes that many brown patches are likely to result from adverse growing conditions such as drought, frost, waterlogging or cold, drying winds, all of which could inhibit regeneration from the trimmed foliage.

How do you treat browning evergreen trees?

Winter weather woes Roots rely on water stored in tree needles once the ground freezes. This can drain the tree’s water stash quickly, causing the needles to turn brown from dryness. Solution: If the tree is just suffering from dehydration, a protective spray for evergreens is a quick and effective fix.

Do conifers like bone meal?

Conifers do not need much fertilizer and a light dressing of fish, blood and bone worked into the soil around the plants will be quite adequate. … If you eventually want the move the plant it can be transferred to a larger pot or new site with less disturbance of the roots.

Do conifers need potassium?

Conifers, like all plants, require 16 elements for normal growth and development. … Macronutrients are elements which occur in relatively large amounts, usually 0.1 to 2.5% of leaf dry weight. These are nitrogen, phosphorus, potassium, calcium, sulfur, and magnesium.

How do conifers fertilize?

All conifers are pollinated by wind. … The pollen grains of many Pinaceae and Podocarpaceae have air bladders, which orient them in a pollination droplet exuded by the ovules so that, when the droplet is withdrawn back into the ovule, the pollen tube will penetrate the nucellus to the archegonium.

Is Seasol good for conifers?

If planting in winter when the plants are dormant, it is better to wait until spring before fertilizing. … Watering the soil after planting with a root stimulant such as Seasol can be beneficial in establishing a good root system. A repeat application can be applied in a fortnight or so.

Why do conifers go yellow?

Pines drop needles every year, foliage set in previous seasons. It can be quite alarming at first glance with the middle of the plant going yellow to brown before the needles are jettisoned altogether. The sole purpose for a leaf is to harvest sunlight to convert it to food through a process called photosynthesis.

Do conifers need water to reproduce?

Conifers must produce vast quantities of pollen. Very efficient, because pollen is entirely independent of liquid water. No liquid water is needed for the sperm to reach the egg and complete the life cycle.

Can conifers stay in pots?

Containers can make a difference right from the start, which is why Horticulture Magazine recommends purchasing a potgrown conifer rather than one wrapped in burlap. The latter presumably has spent some time in the ground and won’t fare as well in a container as one that has nestled in that environment from the start.

How do you save an overwatered conifer?

If you see that a tree is overwatered, just stop watering it temporarily. Give it about a week or so, depending on the severity of the accumulated water, and simply let it dry out. Before you water it again, do the screwdriver test, and only water the tree where it needs it.

What happens if you cut the top off a conifer?

Hopefully, in due course, new growth from the nearby branch(es) or from the trunk itself will gradually hide the cut on the trunk. After lopping the top off the conifer tree it will almost certainly look a fairly ugly shape but do not worry about this.

Do conifers survive in shade?

Most conifers will tolerate a bit of shade as long as they are growing in moist soil, however, there are a few varieties that will grow happily in more shady areas and many of these can be shaped into topiary forms so the possibilities of shape and form are endless.

How do you prune a conifer tree?

What you must do is gently and lightly cut off the outermost branch tips and deceased or old branches, if any. This is done during dormancy so they can grow and become more full when the tree pushes new growth in spring. It’s important to remember that the species of the tree matters for the best pruning time.

When should leylandii be pruned?

Trim your Leylandii hedge in the spring or summer months. This gives the hedge a chance to recover and put on a bit of re-growth before the winter but try to avoid trimming your hedge during periods of very hot or dry weather.

Do you need to feed leylandii?

Leylandii need to be planted well, fed well and watered well to get them to grow and establish properly. Like all plants, they will also grow quicker in full sun.

Do hedges need fertilizer?

Whether deciduous or evergreen, hedges are heavy feeding plants that require annual fertilizing to maintain their appearance and produce ample foliage. Hedges can be fertilized using a either a slow-release phosphorous fertilizer or an organic fertilizer mix.

When should I start feeding shrubs?

Feeding is usually done in spring or summer, during the growing season. Few plants need fertiliser in the winter months, even if they are winter-flowering.

How do you make evergreen trees greener?

Fertilize Lightly In very sandy areas or areas where the soil pH is more basic, your evergreens may have difficulty absorbing the nutrients they need. If your trees seem to be unnaturally pale green, they may need a little nitrogen. Never add fertilizer to the planting hole of your evergreens!