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Plant care

Herb garden (kitchen herbs) care

mixed culinary herbs

Also called kitchen herbs, culinary herb garden.

RHS Varies — H4-H6 for hardy herbs, H1c for tenderUSDA Varies — Mediterranean herbs hardy to zone 5-7Pet-safeIndoor Varies by herb

Watering rhythm

Direct sun (at least 4-6 hours)

Depends on the herb

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Light

Direct sun (at least 4-6 hours)

Soil

Free-draining mix

Humidity

40-60% (outdoor)

Temp

15-29°C

Pet safety

Pet-safe

Mature size

Varies by herb

Care at a glance

Light

Herb garden needs sun on the leaves, not just bright ambient room light. 6+ hours of direct sun for most culinary herbs; parsley and mint tolerate a little less. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water herb garden depends on the herb. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Mediterranean herbs prefer dry, sandy soil with infrequent deep watering. Tender herbs need consistent moisture. Group by water need.

Soil and pot

Herb garden grows best in free-draining mix. Mediterranean herbs prefer lean, gritty soil; tender herbs prefer richer compost-amended mix. Containers let you give each its own conditions. 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

Herb garden sits happiest at around 40-60% (outdoor) humidity and 15-29°C (60-85°F). Most herbs prefer dry air; basil and parsley tolerate humidity. If you keep the room above 15 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 herb garden sparingly. Light feeding only — over-fed herbs lose flavour. A half-strength balanced feed every 4-6 weeks during growth. 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 herb garden in the Growli community. Where a problem matches one of our diagnostic guides, click through for the full step-by-step recovery plan written for herb garden specifically.

  • Leggy herbs — Insufficient light or skipped pinching.
  • Bolting (flowering) — Heat or day length triggers flowering; pinch buds and replant.
  • Powdery mildew — Common on mint and sage in humid weather; improve airflow.
  • Aphids — Most common on basil and parsley; rinse off with water.

Companion plants

Herb garden pairs well with Tomato (basil), Strawberry (thyme), and Carrot (parsley). These are species with similar light and water needs, so you can grow them in the same bed or container without conflict.

Propagation

Mediterranean herbs root well from softwood cuttings; tender herbs are usually grown from seed. 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

Herb garden is pet-safe. Most culinary herbs are pet-safe (basil, parsley, dill, thyme, rosemary). Chives, onion, and garlic are toxic to cats and dogs. Check each herb individually. 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.

Herb garden care — frequently asked questions

What is the common name for mixed culinary herbs?

mixed culinary herbs is most commonly called Herb garden, but it is also known as kitchen herbs, culinary herb garden. The names refer to the same species, so care instructions for Herb garden apply identically to anything sold as kitchen herbs.

How much light does herb garden need?

Herb garden grows best in direct sun (at least 4-6 hours). 6+ hours of direct sun for most culinary herbs; parsley and mint tolerate a little less.

How often should I water herb garden?

Water herb garden depends on the herb. Mediterranean herbs prefer dry, sandy soil with infrequent deep watering. Tender herbs need consistent moisture. Group by water need. 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 herb garden toxic to cats and dogs?

Herb garden is pet-safe. Most culinary herbs are pet-safe (basil, parsley, dill, thyme, rosemary). Chives, onion, and garlic are toxic to cats and dogs. Check each herb individually.

What USDA hardiness zone does herb garden grow in?

Herb garden is rated for USDA zone Varies — Mediterranean herbs hardy to zone 5-7, tender herbs annual everywhere and RHS hardiness Varies — H4-H6 for hardy herbs, H1c for tender. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Herb garden deep-dive guides

Every aspect of herb garden care, each with its own calibrated guide:

Featured in these plant shortlists

Herb garden 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

Herb garden is also commonly called kitchen herbs or culinary herb garden.