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Conifer fertiliser buying guide

Updated: October 2026

You are standing in front of a leylandii run or a patio juniper, typing best conifer fertiliser UK, and the first page mixes a 1 L drench, a 20 kg sack, and a twin pack whose weight field still reads one box. A buying guide has to start with whether the tree is hungry at all, then the form you will actually apply, then whether the packet is in English. Brand names come after those checks. The [conifer fertiliser comparison](/hub/fertiliser-soil-and-bark-mulch/conifer-fertiliser) holds the eight amazon.co.uk listings we kept, with prices in GBP. We did not run a feeding trial.

You are standing in front of a leylandii run or a patio juniper, typing best conifer fertiliser UK, and the first page mixes a 1 L drench, a 20 kg sack, and a twin pack whose weight field still reads one box.

Our top picks

Empathy Empathy After Plant Evergreen, 1 L

Best overall

Empathy Empathy After Plant Evergreen, 1 L
8.8/10about £9.46
View offer
CULTIVERS Cultivers organic liquid for conifers and hedges, 5 L

Rank 2

CULTIVERS Cultivers organic liquid for conifers and hedges, 5 L
8.8/10about £35.29
View offer
Vitax Ltd Vitax Conifer & Shrub 2.5 kg, twin pack

Alternative

Vitax Ltd Vitax Conifer & Shrub 2.5 kg, twin pack
0.0/10about £35.03
View offer
On this page
  1. 1.Do you need a conifer fertiliser at all?
  2. 2.Liquid, granules, or pellets
  3. 3.What the packet must tell you
  4. 4.Buy the band that matches the job

Do you need a conifer fertiliser at all?

Most established conifers in United Kingdom soil do not need a routine feed. The Royal Horticultural Society growing guide treats a general-purpose granular fertiliser in late winter as optional, then a 5–8 cm mulch on damp ground with a gap at the bark. Pots are the exception. The same RHS line wants liquid from early spring to late summer on containers, because compost runs out of nutrients in a season. If the hedge is already even and the soil is not a pot, you can stop here. If you still want a named winner from this capture, the best conifer fertiliser page assigns jobs to the packs we kept. If the shed already holds Growmore or an ericaceous tub, that pair is on conifer fertiliser or general feed.

Liquid, granules, or pellets

Form is a job match, not a quality ranking. A watering-can liquid suits a few pots or a new planting you can walk around each week. Empathy After Plant Evergreen is the 1 L drench in this set, at £9.46, with a mixing field of 1:4.5 on the listing. The maker's own page publishes 20 ml for new plants and pots, or 40 ml for established plants, per 4.5 L can, weekly in the growing season. That published rate and the scrape field are not the same sentence; follow the packet you hold. Granules and pellets suit open ground when you want one spring pass under the canopy. A 1 L weekly drench is a poor way to feed twenty metres of leylandii. A 20 kg sack is a poor way to feed two patio pots. The how to use conifer fertiliser page owns the calendar and the stem-gap.
Empathy Empathy After Plant Evergreen, 1 L

Testsieger

Empathy Empathy After Plant Evergreen, 1 L
8.8/10about £9.46
View offer

What the packet must tell you

A GB fertiliser of a prescribed type needs a statutory statement under the Fertilisers Regulations 1991, with nutrients in words and symbols. A mixing field of 1:4.5 or a listing claim of 8-1-5 is not that statement. Read the packet that arrives, not only the amazon.co.uk bullet list. Pack-size clashes are the other filter. The Vitax title says x2 of 2.5 kg while unit count and item weight still print 2.5 kg. The Cultivers 5 kg granule title also carries a 1 L liquid-volume field. The product data record both clashes and do not resolve them. Check what arrived before you judge the product. NPK figures do not agree across Cultivers sizes: 6-7-10 on the 1 kg and 20 kg, 8-1-5 on the 5 kg, 4-1-4 on the 5 L. Treat those numbers as listing claims, not a tested analysis and not a statutory mark.

Buy the band that matches the job

Buy the band that matches the job. A few pots point at the 1 L. A hedge you will walk once in March points at a granule or pellet. The 20 kg sack is for many trees and an imported label you accept.

Common questions

Do I need a specialist conifer bag?
Not as a rule. The RHS names an optional late-winter general-purpose granule for established ornamentals, then mulch. A specialist bag is worth it when you want an English evergreen recipe, a pot liquid, or a UK pellet you can follow. It is not a legal requirement and it does not prove the tree is hungry.
Liquid or granules for a hedge versus a pot?
Use liquid on pots through the growing season, because compost empties. Use granules or pellets on open ground when you want one spring pass under the canopy. A 1 L bottle will not feed a long leylandii run without becoming a weekly chore. A 20 kg sack will sit unused beside two patio junipers.
How do I read an NPK or a mixing field on amazon.co.uk?
A three-number NPK on a Cultivers listing is a claim, not a statutory statement. Empathy's mixing field of 1:4.5 is a scrape, not the maker's published 20 ml or 40 ml per 4.5 L can. If the packet in your hand disagrees with the bullet list, follow the packet.
Why are some packets not in English?
Altea's only United Kingdom review in this file says the instructions are not in English. Several Cultivers texts are marked Spain, Italy, France or Belgium. If you cannot read the rate, do not guess grams per square metre from another brand.
How much bag do I need for a long leylandii run?
We do not invent metres-of-hedge coverage from this dump. Match pack size to the job: a 1 L drench for a few plants, a 1.2–5 kg granule for a short hedge, 20 kg only if you have many trees and accept an imported label. Follow the packet rate you can actually read.
Is Vitax also an ericaceous feed?
The first bullet on this twin-pack listing also names azalea and rhododendron. Garden World's Vitax page treats the same box as a conifer-and-shrub pellet and warns about a light rate on ericaceous plants. That dual claim is a reason to read the packet, not a reason to treat every acid-loving shrub as a conifer.
Which packs in this set actually have UK reviews?
Empathy 1 L has the deep United Kingdom sample: 4.4 from 753. Altea has one UK text about missing English. Cultivers files in this capture are EU-marked. Substral and Vitax have no star line on the raw cards we kept.

Related pages

Conifer fertiliser comparison

Best conifer fertiliser

How to use conifer fertiliser

Conifer fertiliser or general feed

Conifer going brown: what to do before you feed the hedge

Sources

Public UK and maker sources used for this page in October 2026. Prices, stars and review counts are from the eight amazon.co.uk listings in the stored product file. A mixing-ratio field is not a laboratory analysis. An organic or pet-safe line is the listing's claim. This is not a laboratory test.

  1. RHS, How to grow conifers (retrieved 23 October 2026)
  2. RHS, Conifer care (retrieved 23 October 2026)
  3. RHS, Conifers with brown patches (retrieved 23 October 2026)
  4. RHS, How to feed plants (retrieved 23 October 2026)
  5. Fertilisers Regulations 1991 (retrieved 23 October 2026)
  6. Agriculture Act 1970, section 68 (retrieved 23 October 2026)
  7. Empathy After Plant Evergreen (retrieved 23 October 2026)
  8. Vitax Conifer & Shrub label (retrieved 23 October 2026)
  9. Gardeners' World, Feeding plants (retrieved 23 October 2026)