When do Camellias bloom?

Most Camellia japonica varieties bloom in late winter to early spring, though some may start in fall.

What kind of soil do they prefer?

They thrive in well-drained, acidic soil rich in organic matter.

How much sun do they need?

Camellias prefer partial shade, especially protection from hot afternoon sun.

Are they suitable for containers?

Yes, they do well in pots, especially dwarf varieties.

Do they need pruning?

Pruning is mainly done after flowering to shape the plant and remove dead or damaged branches.

Guide botanique

Common camellia.

Camellia japonica

Prononciation kuh-MEE-lee-uh JAP-on-ih-kuh

Aussi appelée Camellia, Common camellia, Japanese camellia

The Common Camellia is a beautiful evergreen shrub prized for its stunning, rose-like flowers that bloom in late winter to early spring. It's a classic choice for adding elegance and color to shaded gardens.

En un coup d'œil

Care level: Moderate
Plant type: Shrub
Light: Partial shade to full shade
Indoor light: bright-indirect
Water: Every 7 to 14 days
Mature size: 15 ft tall and 10 ft wide
Growth rate: medium
Hardiness: USDA 7 to 10
Bloom time: Late winter to early spring

Entretien

Camellias prefer acidic soil and protection from harsh afternoon sun. Ensure consistent moisture, especially during dry spells, and avoid disturbing the root system once established.

Watering: Keep soil consistently moist but not waterlogged; reduce watering in winter.
Feeding: Feed in early spring after flowering with a balanced, acid-loving fertilizer.
Pruning: Prune lightly after flowering to shape and remove dead or damaged branches.
Repotting: Repot only when root-bound, using a well-draining, acidic potting mix.
Soil: Acidic, well-draining, organic-rich soil
Soil pH: 4.5 to 6.5
Temperature: -12.2 to 26.7°C
Humidity: 50 to 70%
Drought tolerance: moderate
Lifespan: Perennial, can live for many decades.
Deer and rabbits: moderate

Signes qu'il faut rempoter

Roots growing out of drainage holes.
Water drains very slowly or not at all.
Plant dries out much faster than usual.
Visible white, healthy roots circling the inside of the pot.

Sécurité

People: Ingestion of plant parts may cause mild stomach upset.
Pets: Mildly toxic to pets if ingested, causing vomiting or diarrhea.
Children: No specific safety concerns for children, but ingestion of any non-food plant material should be avoided.
Contact allergens: No significant contact allergens are known.
Airborne allergens: Pollen may cause seasonal respiratory allergies in sensitive individuals.
Edibility: This plant is not intended for consumption.

Comment l'identifier

Glossy, dark green, leathery leaves
Large, showy flowers
Rose-like or peony-like blooms
Evergreen shrub or small tree
Smooth, gray-brown bark

Height: 3.65 to 4.57m
Spread: 2.44 to 3.05m
Leaves: dark green, glossy, evergreen
Flowers: white, pink, red, variegated, 5 to 13cm

Problèmes courants

Scale insects — Small, immobile insects that attach to stems and leaves, sucking sap and weakening the plant.
Aphids — Tiny, pear-shaped insects that cluster on new growth, feeding on plant juices.
Sooty mold — A black, powdery fungus that grows on honeydew excreted by sap-sucking insects.
Bud drop — Flower buds fall off before opening due to stress from inconsistent watering, temperature fluctuations, or poor light.

La cultiver

Propagation: cuttings, grafting
When to plant: spring, fall
Overwintering: In colder climates, container-grown camellias should be moved to a protected, unheated location like a garage or shed. Mulch heavily around the base of in-ground plants to protect the roots from extreme cold.
In containers: Camellias grow very well in containers, especially dwarf varieties, provided the pot is at least 15 gallons and has excellent drainage.

Cuttings

Take semi-hardwood cuttings in mid-summer to early fall.
Remove lower leaves and dip the cut end in rooting hormone.
Insert cuttings into a moist, well-draining potting mix.
Keep the cuttings consistently moist and in a humid environment, like a propagator or under a plastic bag.
Roots typically form within a few months.

Grafting

Graft desirable cultivars onto hardy rootstock, usually in late winter.
Use a whip-and-tongue or cleft graft.
Ensure the cambium layers align.
Secure the graft tightly with tape or twine.
Keep the graft union moist and protected until healed.

Plant camellias with other acid-loving, shade-tolerant plants like azaleas and hostas for a cohesive and healthy garden display.

Bonnes associations

Azalea — Azaleas share similar acidic soil and partial shade requirements, creating a beautiful woodland garden combination.
Rhododendron — These plants complement camellias with their lush foliage and vibrant blooms, preferring the same growing conditions.
Japanese Maple — Its delicate foliage and graceful form provide a lovely contrast to the camellia's structure and blooms.
Hosta — Hostas offer beautiful foliage texture and thrive in the shady, moist conditions that camellias prefer.

À éloigner de

Boxwood — Boxwoods prefer alkaline to neutral soils, which can inhibit the growth of acid-loving camellias.
Lavender — Lavender needs full sun and very well-drained, alkaline soil, conditions that are detrimental to camellias.

Espèces similaires

Camellia sasanqua — Sasanqua camellias bloom earlier in the fall and have a more open, spreading habit, while japonicas bloom later and are typically more upright.
Tea Plant — This species is primarily grown for its leaves used to make tea, and its flowers are generally less showy than Camellia japonica.

Science

Family: Theaceae
Genus: Camellia
Order: Ericales
Class: Magnoliopsida
Native range: Eastern China and Japan.
Conservation: Not of conservation concern.

In its native habitat, Camellia japonica grows in moist, shaded woodlands and along stream banks, often in acidic soils.

Value to wildlife: nectar source, pollen source
Pollinators: bees, butterflies, hummingbirds
Uses: Ornamental, Cut flowers, Hedge

Au fil des saisons

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Flowering

Fruiting

Foliage

Repères écologiques

Salinity: 1/9
Soil reaction: 3/9
Light: 3/9
Temperature: 6/9
Moisture: 5/9
Nutrients: 5/9

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

When do Camellias bloom?: Most Camellia japonica varieties bloom in late winter to early spring, though some may start in fall.
What kind of soil do they prefer?: They thrive in well-drained, acidic soil rich in organic matter.
How much sun do they need?: Camellias prefer partial shade, especially protection from hot afternoon sun.
Are they suitable for containers?: Yes, they do well in pots, especially dwarf varieties.
Do they need pruning?: Pruning is mainly done after flowering to shape the plant and remove dead or damaged branches.

D'où vient le nom

The genus name, Camellia, honors Georg Joseph Kamel, a Jesuit missionary and botanist who worked in the Philippines. The species epithet, japonica, refers to its native range in Japan.

Bon à savoir

Camellias have been cultivated in East Asia for centuries.
The scientific name honors the Jesuit botanist Georg Joseph Kamel.
There are over 25,000 cultivars of Camellia japonica.
Some camellia oils are used in cosmetics and hair care products.

Ton common camellia a mauvaise mine ?

Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.

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Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.