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Camellia 'Jury's Yellow' (Jury's Yellow camellia) care

Camellia × williamsii 'Jury's Yellow'

Also called Jury's Yellow camellia.

RHS H5USDA 7-9Pet-safeIndoor 1.5-2.5 m tall and 1-2 m wide over 10-20 years

Watering rhythm

Bright indirect light (just back from a sunny window)

Keep soil evenly moist; water deeply once or twice weekly in summer, especially during bud set

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Light

Bright indirect light (just back from a sunny window)

Soil

Acidic, humus-rich, free-draining ericaceous soil

Humidity

40-60%

Temp

-12 to 25°C

Pet safety

Pet-safe

Mature size

1.5-2.5 m tall and 1-2 m wide over 10-20 years

Care at a glance

Light

Camellia 'Jury's Yellow' 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. Thrives in dappled shade or morning sun with afternoon shade; williamsii hybrids tolerate cooler, shadier sites well. Avoid east-facing walls where early sun thaws frosted buds too fast and browns them. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water camellia 'jury's yellow' keep soil evenly moist; water deeply once or twice weekly in summer, especially during bud set. 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. Drought in late summer aborts the following spring's buds. Use rainwater on hard-water sites. Container plants dry quickly and need closer monitoring; mulch to buffer moisture swings.

Soil and pot

Camellia 'Jury's Yellow' grows best in acidic, humus-rich, free-draining ericaceous soil. Requires pH 5.5-6.5. Amend with leaf mould and ericaceous compost; in containers use a peat-free ericaceous mix. Plant high to keep the crown above waterlogging, which camellias will not tolerate. 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

Camellia 'Jury's Yellow' sits happiest at around 40-60% humidity and -12 to 25°C (10 to 77°F). An outdoor shrub indifferent to ambient humidity in temperate gardens. Shelter from cold, drying winds that scorch evergreen foliage and damage opening flowers. 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 camellia 'jury's yellow' sparingly. Apply an ericaceous fertiliser once after flowering in late spring and again in early summer. Stop feeding by midsummer so growth ripens before autumn. Top-dress containers annually and mulch open-ground plants with leaf mould. 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 camellia 'jury's yellow' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Browned buds and flowers — Frost followed by rapid morning thaw on an east-facing site discolours opening blooms. Plant where morning sun does not strike frosted buds; choose a sheltered aspect.
  • Bud drop — Result of dry roots during late-summer bud formation or sharp cold. Keep evenly watered from August, mulch, and protect from severe frost.
  • Chlorosis — Yellowing between leaf veins reflects alkaline soil or iron deficiency. Use ericaceous feed and sequestered iron, and water with rainwater where tap water is limy.
  • Camellia gall / leaf scale — Scale insects produce honeydew and sooty mould; thickened distorted growth can occur. Treat scale, remove affected parts, and improve air circulation.

Propagation

Propagate clonally by semi-ripe cuttings in late summer with bottom heat, or by layering; named hybrids do not reproduce true from seed. Grafting is used commercially for difficult cultivars. 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

Camellia 'Jury's Yellow' is pet-safe. ASPCA-listed as non-toxic to cats, dogs, and horses (genus Camellia; the listed Common Camellia, Camellia japonica, shares the genus with this williamsii hybrid). No toxic principle identified. Watch only for pesticide or fungicide residues, which can sicken pets independent of the plant itself. 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.

Camellia 'Jury's Yellow' care — frequently asked questions

What is the common name for Camellia × williamsii 'Jury's Yellow'?

Camellia × williamsii 'Jury's Yellow' is most commonly called Camellia 'Jury's Yellow', but it is also known as Jury's Yellow camellia. The names refer to the same species, so care instructions for Camellia 'Jury's Yellow' apply identically to anything sold as Jury's Yellow camellia.

How much light does camellia 'jury's yellow' need?

Camellia 'Jury's Yellow' grows best in bright indirect light (just back from a sunny window). Thrives in dappled shade or morning sun with afternoon shade; williamsii hybrids tolerate cooler, shadier sites well. Avoid east-facing walls where early sun thaws frosted buds too fast and browns them.

How often should I water camellia 'jury's yellow'?

Water camellia 'jury's yellow' keep soil evenly moist; water deeply once or twice weekly in summer, especially during bud set. Drought in late summer aborts the following spring's buds. Use rainwater on hard-water sites. Container plants dry quickly and need closer monitoring; mulch to buffer moisture swings. 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 camellia 'jury's yellow' toxic to cats and dogs?

Camellia 'Jury's Yellow' is pet-safe. ASPCA-listed as non-toxic to cats, dogs, and horses (genus Camellia; the listed Common Camellia, Camellia japonica, shares the genus with this williamsii hybrid). No toxic principle identified. Watch only for pesticide or fungicide residues, which can sicken pets independent of the plant itself.

What USDA hardiness zone does camellia 'jury's yellow' grow in?

Camellia 'Jury's Yellow' is rated for USDA zone 7-9 and RHS hardiness H5. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Camellia 'Jury's Yellow' deep-dive guides

Every aspect of camellia 'jury's yellow' care, each with its own calibrated guide:

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Camellia 'Jury's Yellow' is also commonly called Jury's Yellow camellia.