Growli

Plant care

Hidcote Lavender (English lavender) care

Lavandula angustifolia 'Hidcote'

Also called Hidcote lavender, English lavender, True lavender.

RHS H6USDA 5-9Toxic to petsIndoor 45–60 cm tall and 60–75 cm wide (18–24 in × 24–30 in).

Watering rhythm

2-3weeks

Every 2–3 weeks (established plants)

Light

Direct sun (at least 4-6 hours)

Soil

Sharply drained, sandy or gritty loam, pH 6.5–7.5

Humidity

Low (30–50% RH)

Temp

-20°C to 35°C

Pet safety

Toxic to pets

Mature size

45–60 cm tall and 60–75 cm wide (18–24 in × 24–30 in).

Care at a glance

Light

Most houseplants will scorch where hidcote lavender thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Requires at least 6–8 hours of direct sun daily; insufficient light causes lax, open growth and poor flowering. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for every 2–3 weeks (established plants) for hidcote lavender, but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Drought-tolerant once established; water deeply then allow the soil to dry out completely between waterings. Reduce to near-zero in winter.

Soil and pot

Hidcote Lavender grows best in sharply drained, sandy or gritty loam, ph 6.5–7.5. Amend heavy clay with grit or horticultural sand to prevent waterlogging; slightly alkaline conditions encourage the most fragrant growth. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Hidcote Lavender sits happiest at around Low (30–50% RH) humidity and -20°C to 35°C (-4°F to 95°F). High humidity promotes fungal diseases such as botrytis and root rot; ensure good air circulation around the foliage. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed hidcote lavender sparingly. 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. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on hidcote lavender in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Root rot (Phytophthora/Pythium)The leading cause of death; caused by waterlogged or poorly drained soil, especially in winter. Improve drainage with grit and avoid planting in clay hollows.
  • Botrytis (grey mould)Grey fluffy growth develops on foliage in humid, overcast conditions or where plants are crowded. Improve air circulation by spacing plants at least 45 cm apart and hard-prune in late summer.

Propagation

Take 8–10 cm softwood or semi-ripe heel cuttings in late spring to early summer; root in a free-draining gritty compost under cover. Alternatively, layer low-growing stems in autumn. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Hidcote Lavender is toxic to pets. ASPCA lists Lavandula spp. as toxic to cats, dogs, and horses. The toxic principles are linalool and linalyl acetate, causing nausea, vomiting, and loss of appetite; cats are especially sensitive due to limited ability to metabolise these compounds. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Hidcote Lavender care — frequently asked questions

What is the common name for Lavandula angustifolia 'Hidcote'?

Lavandula angustifolia 'Hidcote' is most commonly called Hidcote Lavender, but it is also known as Hidcote lavender, English lavender, True lavender. The names refer to the same species, so care instructions for Hidcote Lavender apply identically to anything sold as English lavender.

How much light does hidcote lavender need?

Hidcote Lavender grows best in direct sun (at least 4-6 hours). Requires at least 6–8 hours of direct sun daily; insufficient light causes lax, open growth and poor flowering.

How often should I water hidcote lavender?

Water hidcote lavender every 2–3 weeks (established plants). Drought-tolerant once established; water deeply then allow the soil to dry out completely between waterings. Reduce to near-zero in winter. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is hidcote lavender toxic to cats and dogs?

Hidcote Lavender is toxic to pets. ASPCA lists Lavandula spp. as toxic to cats, dogs, and horses. The toxic principles are linalool and linalyl acetate, causing nausea, vomiting, and loss of appetite; cats are especially sensitive due to limited ability to metabolise these compounds.

What USDA hardiness zone does hidcote lavender grow in?

Hidcote Lavender is rated for USDA zone 5-9 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Hidcote Lavender deep-dive guides

Every aspect of hidcote lavender care, each with its own calibrated guide:

Featured in these plant shortlists

Hidcote Lavender qualifies for 1 curated Growli shortlist — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Hidcote Lavender is also known as Hidcote lavender, English lavender, and True lavender.