Fertilising guide
How to fertilise Hidcote Lavender (Lavandula angustifolia 'Hidcote')— schedule & NPK
Also called Hidcote lavender, English lavender, True lavender.
More about hidcote lavender
About Hidcote Lavender
Lavandula angustifolia 'Hidcote' · also called Hidcote lavender, English lavender · herb
A compact, mound-forming cultivar of English lavender selected at Hidcote Manor in Gloucestershire, thriving in full sun and sharply drained, slightly alkaline soil. It is among the hardiest of all lavender cultivars, tolerating temperatures well below freezing, and produces intensely fragrant deep violet-purple flower spikes in early to midsummer. The single most important care rule is excellent drainage — standing moisture around the roots, especially in winter, is the primary killer. Lavender is toxic to cats, dogs, and horses according to the ASPCA.
Growth habit: Dense, rounded, evergreen dwarf shrub with silvery-grey narrow leaves and upright flowering stems.
What fertiliser hidcote lavender actually wants — and why
Hidcote Lavender is a soft, fast leafy herb that you harvest hard — a modest balanced feed keeps tender growth coming without tipping it into bland or bolting.
A balanced general feed (even N-P-K) at modest strength — enough nitrogen to keep replacing the leaves you pick, but not so much that flavour thins or it bolts to seed.
For the language behind the three numbers on the bottle — what nitrogen, phosphorus and potassium each do — see the NPK ratio explained entry. The short version for hidcote lavender: match the feed to the job the plant is doing right now, not to a generic “plant food” on the shelf.
How often to feed hidcote lavender, and which months
Feeding only earns its keep while the plant is in active growth and can use the nutrients — pour feed into a dormant or low-light plant and it simply builds up as root-burning salt. For hidcote lavender:
Apply a light dressing of balanced, low-nitrogen fertiliser (e.g. 5-10-10) in early spring; avoid over-feeding, which produces lush leafy growth at the expense of flowers. In practice: a balanced liquid feed every few weeks through the main growing and harvesting season (spring through early autumn), more often the harder you are picking it.
The dormant-season rule matters more than the exact interval: skip feeding entirely when hidcote lavender is resting. For the wider context on indoor feeding rhythms across the seasons, the houseplant fertiliser schedule walks through the year month by month.
What strength to mix for hidcote lavender
Half strength is a sensible default for hidcote lavender — enough to fuel regrowth after cutting, gentle enough that the leaves stay aromatic rather than watery.
Feeding always goes onto already-damp soil, never dry roots — water hidcote lavender first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the hidcote lavender watering schedule.
Signs you are over-feeding hidcote lavender
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for hidcote lavender:
- Fast, soft, pale growth with diluted, less aromatic flavour.
- Early bolting (running to flower) and a bitter edge.
- Salt crust and scorched tips on container plants.
Signs you are under-feeding hidcote lavender
- Pale, slow regrowth after cutting and small leaves.
- A tired, stalled plant that cannot keep up with harvesting.
- Yellowing older leaves in a long-spent pot.
If the symptoms point at watering, light or roots rather than nutrition, the full hidcote lavender care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
Pot-grown hidcote lavender builds up feed salts quickly — water until it drains each time and flush the pot with plain water every few weeks, especially on a sunny windowsill.
Organic vs synthetic feeds for hidcote lavender
Organic options
A diluted seaweed feed or worm-casting tea keeps soft growth coming without overdoing it. UK: dilute seaweed or Westland; US: Espoma Garden-tone or Neptune's Harvest. Gentle, hard to overdo, flavour-friendly.
Synthetic / liquid feeds
A balanced liquid feed at half strength through harvesting — UK: Phostrogen, Baby Bio or Westland; US: Miracle-Gro all-purpose at half strength. Fast regrowth; just do not overdo the nitrogen.
Brand names are examples, not endorsements, and UK and US ranges differ — check the label’s own NPK and dilution rate, since formulations change.
Fertilising hidcote lavender — frequently asked questions
What fertiliser does hidcote lavender need?
A balanced general feed (even N-P-K) at modest strength — enough nitrogen to keep replacing the leaves you pick, but not so much that flavour thins or it bolts to seed. Hidcote Lavender is a soft, fast leafy herb that you harvest hard — a modest balanced feed keeps tender growth coming without tipping it into bland or bolting.
How often should I feed hidcote lavender?
Apply a light dressing of balanced, low-nitrogen fertiliser (e.g. 5-10-10) in early spring; avoid over-feeding, which produces lush leafy growth at the expense of flowers. Apply a light dressing of balanced, low-nitrogen fertiliser (e.g. 5-10-10) in early spring; avoid over-feeding, which produces lush leafy growth at the expense of flowers. In practice: a balanced liquid feed every few weeks through the main growing and harvesting season (spring through early autumn), more often the harder you are picking it.
What strength of feed for hidcote lavender?
Half strength is a sensible default for hidcote lavender — enough to fuel regrowth after cutting, gentle enough that the leaves stay aromatic rather than watery.
What does over-feeding hidcote lavender look like?
Fast, soft, pale growth with diluted, less aromatic flavour. Early bolting (running to flower) and a bitter edge. Salt crust and scorched tips on container plants. Over-feeding hidcote lavender with strong nitrogen is the usual mistake — it grows fast and lush but the leaves turn bland and it bolts to flower sooner, ending the useful harvest early.
Should I flush the soil of hidcote lavender?
Pot-grown hidcote lavender builds up feed salts quickly — water until it drains each time and flush the pot with plain water every few weeks, especially on a sunny windowsill.
Keep reading
- Hidcote Lavender care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water hidcote lavender — the watering schedule
- The houseplant fertiliser schedule — feeding through the year
- NPK ratio explained — what the three numbers on the bottle mean
- How to fertilise african wild ginger
- How to fertilise french fringed lavender
- How to fertilise woolly lavender
- All 10153 fertilising guides in the Growli library