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Plant care

Crimean Linden (Caucasian Lime) care

Tilia euchlora

Also called Crimean Linden, Caucasian Lime, Caucasian Linden.

RHS H6USDA 4–7Pet-safeIndoor 12–18 m tall (40–60 ft)

Watering rhythm

2-3weeks

Weekly during establishment; every 2–3 weeks in dry summers once mature

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Light

Bright indirect light (just back from a sunny window)

Soil

Moist, well-drained loam; tolerates alkaline and clay soils

Humidity

Moderate — typical temperate climate humidity

Temp

-25°C to 35°C

Pet safety

Pet-safe

Mature size

12–18 m tall (40–60 ft)

Care at a glance

Light

Crimean Linden is what florists mean by "bright spot, no direct sun" — close enough to a south or east window to feel the brightness, with a sheer curtain or a few feet of distance keeping the sun off the leaves. Full sun to partial shade. Performs best with at least 5–6 hours of direct sun daily. Tolerates light shade without significant loss of form, making it more flexible than some lindens for urban situations. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water crimean linden weekly during establishment; every 2–3 weeks in dry summers once mature. 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. Prefers moist, fertile soil but tolerates moderately dry periods once established. Deep, infrequent watering encourages deep root growth. Avoid drought stress in the first two growing seasons.

Soil and pot

Crimean Linden grows best in moist, well-drained loam; tolerates alkaline and clay soils. Adaptable to a range of soils from slightly acidic to strongly alkaline (pH 5.5–8.5). Tolerates urban soils and compaction better than T. platyphyllos. Avoid permanently waterlogged ground. 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

Crimean Linden sits happiest at around Moderate — typical temperate climate humidity humidity and -25°C to 35°C (-13°F to 95°F). No special humidity requirements. Well-adapted to temperate continental and maritime climates. Handles dry summers better than many lindens once the root system is established. 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 crimean linden sparingly. Balanced slow-release fertiliser in early spring for young trees. Established trees in average soil need little supplemental feeding; apply a mulch of well-rotted compost annually to maintain soil fertility. 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 crimean linden in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Low aphid pressure (but still possible) — More resistant to linden aphid than T. × europaea or T. platyphyllos, but not entirely immune. Inspect undersides of leaves in spring; wash off colonies early with water before they establish.
  • Poor autumn colour — Foliage turns a dull yellow-green in autumn rather than rich gold. This is a characteristic of the species rather than a cultural problem; select position where summer form and flower are the primary features.
  • Witch's broom — Dense clusters of distorted twiggy growth can appear on older specimens, caused by eriophyid mites or phytoplasma. Prune out affected growth during dormancy to improve tree aesthetics.

Propagation

Grafting onto compatible Tilia rootstock (typically T. cordata or T. platyphyllos) is the commercial standard. Semi-hardwood cuttings with IBA in midsummer can root under mist, though success rates are variable. Seed is rarely used as the hybrid origin gives inconsistent offspring. 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

Crimean Linden is pet-safe. The genus Tilia is listed as non-toxic to dogs, cats, and horses by the ASPCA. Tilia euchlora has no known toxic principles to companion animals. 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.

Crimean Linden care — frequently asked questions

What is the common name for Tilia euchlora?

Tilia euchlora is most commonly called Crimean Linden, but it is also known as Crimean Linden, Caucasian Lime, Caucasian Linden. The names refer to the same species, so care instructions for Crimean Linden apply identically to anything sold as Caucasian Lime.

How much light does crimean linden need?

Crimean Linden grows best in bright indirect light (just back from a sunny window). Full sun to partial shade. Performs best with at least 5–6 hours of direct sun daily. Tolerates light shade without significant loss of form, making it more flexible than some lindens for urban situations.

How often should I water crimean linden?

Water crimean linden weekly during establishment; every 2–3 weeks in dry summers once mature. Prefers moist, fertile soil but tolerates moderately dry periods once established. Deep, infrequent watering encourages deep root growth. Avoid drought stress in the first two growing seasons. 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 crimean linden toxic to cats and dogs?

Crimean Linden is pet-safe. The genus Tilia is listed as non-toxic to dogs, cats, and horses by the ASPCA. Tilia euchlora has no known toxic principles to companion animals.

What USDA hardiness zone does crimean linden grow in?

Crimean Linden is rated for USDA zone 4–7 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Crimean Linden deep-dive guides

Every aspect of crimean linden care, each with its own calibrated guide:

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Crimean Linden qualifies for 11 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Crimean Linden is also known as Crimean Linden, Caucasian Lime, and Caucasian Linden.