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Plant care

Dwarf Cedar of Lebanon (Compact Cedar of Lebanon) care

Cedrus libani 'Nana'

Also called Dwarf Cedar of Lebanon, Compact Cedar of Lebanon.

RHS H6USDA 5-7Pet-safeIndoor Approximately 1–1.2 m tall and 1–1.2 m wide after 10 years

Watering rhythm

Direct sun (at least 4-6 hours)

Weekly when young; bi-weekly once established

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Light

Direct sun (at least 4-6 hours)

Soil

Well-drained loam, chalk, or sandy soil, pH 5.5–7.5

Humidity

Low to moderate

Temp

-25 to 35°C

Pet safety

Pet-safe

Mature size

Approximately 1–1.2 m tall and 1–1.2 m wide after 10 years

Care at a glance

Light

Most houseplants will scorch where dwarf cedar of lebanon thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Full sun is essential for compact, dense growth and good foliage colour; a minimum of 6 hours of direct sunlight is required — shade causes open, etiolated branching. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for weekly when young; bi-weekly once established for dwarf cedar of lebanon, 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. Water deeply during prolonged dry spells in the first two to three years while roots establish; mature plants are fairly drought-tolerant but perform best with occasional deep watering in summer.

Soil and pot

Dwarf Cedar of Lebanon grows best in well-drained loam, chalk, or sandy soil, ph 5.5–7.5. Thrives in free-draining soils including shallow chalk; heavy clay must be thoroughly broken up with grit before planting as standing water around the roots leads to fatal root rot. 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

Dwarf Cedar of Lebanon sits happiest at around Low to moderate humidity and -25 to 35°C (-13 to 95°F). Adapted to the relatively dry, continental mountain climate of its native range; no supplemental humidity is needed and it dislikes persistently wet, humid air. 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 dwarf cedar of lebanon sparingly. A light top-dressing of balanced granular fertiliser in early spring is sufficient; avoid high-nitrogen feeds which promote soft growth vulnerable to aphid attack. 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 dwarf cedar of lebanon in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Cedar aphids (Cinara cedri) — Colonies of large aphids on young shoots produce sticky honeydew and black sooty mould; remove by hand or with a jet of water in early infestations, or use an insecticidal soap spray.
  • Honey fungus (Armillaria) — Can be susceptible on sites with a history of the disease; affected plants show sudden dieback and honey-coloured toadstools at the base in autumn — remove and destroy infected wood and roots.

Propagation

Propagated by semi-ripe cuttings in late summer under mist, though take rate is low; grafting onto Cedrus atlantica seedling rootstock is the preferred commercial method for reliable dwarf cultivar propagation. 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

Dwarf Cedar of Lebanon is pet-safe. True Cedrus species are not listed as toxic to cats or dogs by the ASPCA; Cedrus libani is considered non-toxic to pets. 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.

Dwarf Cedar of Lebanon care — frequently asked questions

What is the common name for Cedrus libani 'Nana'?

Cedrus libani 'Nana' is most commonly called Dwarf Cedar of Lebanon, but it is also known as Dwarf Cedar of Lebanon, Compact Cedar of Lebanon. The names refer to the same species, so care instructions for Dwarf Cedar of Lebanon apply identically to anything sold as Compact Cedar of Lebanon.

How much light does dwarf cedar of lebanon need?

Dwarf Cedar of Lebanon grows best in direct sun (at least 4-6 hours). Full sun is essential for compact, dense growth and good foliage colour; a minimum of 6 hours of direct sunlight is required — shade causes open, etiolated branching.

How often should I water dwarf cedar of lebanon?

Water dwarf cedar of lebanon weekly when young; bi-weekly once established. Water deeply during prolonged dry spells in the first two to three years while roots establish; mature plants are fairly drought-tolerant but perform best with occasional deep watering in summer. 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 dwarf cedar of lebanon toxic to cats and dogs?

Dwarf Cedar of Lebanon is pet-safe. True Cedrus species are not listed as toxic to cats or dogs by the ASPCA; Cedrus libani is considered non-toxic to pets.

What USDA hardiness zone does dwarf cedar of lebanon grow in?

Dwarf Cedar of Lebanon is rated for USDA zone 5-7 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Dwarf Cedar of Lebanon deep-dive guides

Every aspect of dwarf cedar of lebanon care, each with its own calibrated guide:

Featured in these plant shortlists

Dwarf Cedar of Lebanon qualifies for 9 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Dwarf Cedar of Lebanon is also commonly called Dwarf Cedar of Lebanon or Compact Cedar of Lebanon.