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Harlequin Glorybower (Clerodendrum trichotomum)

Harlequin Glorybower (Clerodendrum trichotomum) is a fast-growing deciduous shrub with fragrant white flowers and striking blue fruits.

Above information is sourced from Wikipedia

Sunlight

Prefers full sun to partial shade.

Watering

Keep soil consistently moist but not waterlogged.

Soil

Well-draining, fertile loam or sandy soil. Tolerates a range of soil types but dislikes waterlogged conditions.

Temperature

Thrives in moderate temperatures.

Habitat

Outdoor, Indoor

Fertilizer

Feed with a balanced liquid fertilizer during the growing season.

Care Requirements

Light

Prefers full sun to partial shade.

Protect from harsh afternoon sun in hot climates.

Water

Keep soil consistently moist but not waterlogged.

Reduce watering in winter.

Soil

Well-draining, fertile loam or sandy soil. Tolerates a range of soil types but dislikes waterlogged conditions.

Temperature

Thrives in moderate temperatures.

Ideal range 15-25 °C.

Habitat

Outdoor, Indoor

Fertilizer

Feed with a balanced liquid fertilizer during the growing season.

Avoid over-fertilizing.

Plant Overview

Plant Type

Shrub

Plant Category

Flowering, Ornamental

Plant Place Type

Ground, Garden, Pot

Plant Environment

Outdoor, Indoor

Lifespan

Perennials

Plant Height

2-4 m

Spread

2-4 m

Growth Rate

Fast

Dormancy

Deciduous

Leaf Color

Green

Leaf Type

Opposite, ovate to broadly ovate

Flower Size

2-3 cm

Image Gallery

Flowering & Fruiting Cycles

Monthly activity intensity for bloom and fruit across both hemispheres.

Northern hemisphere

Flowering & fruiting calendar

Peak bloom · AugPeak fruit · Oct
FloweringFruiting
02468JanFebMarAprMayJunJulAugSepOctNovDecActivity intensityMonths88
Southern hemisphere

Flowering & fruiting calendar

Peak bloom · MayPeak fruit · Mar
FloweringFruiting
02468JanFebMarAprMayJunJulAugSepOctNovDecActivity intensityMonths88
Synonyms
Clerodendrum fargesii Dode
Clerodendrum koshunense Hayata
Clerodendrum serotinum Carrière
Clerodendrum yakusimense (Nakai) Nakai
Ovieda trichotoma (Thunb.) Baill.
Siphonanthus trichotomus (Thunb.) Nakai
Siphonanthus yakusimensis Nakai
Taxonomy
  • kingdomPlantae
  • divisionTracheophyta
  • classMagnoliopsida
  • orderLamiales
  • familyLamiaceae
  • genusClerodendrum
  • speciesClerodendrum trichotomum
Toxicity

Toxic for humans

No

Rating: 0/5

Toxic for pets

Yes

Rating: 3/5

Edible

No

Additional Care Tips

Water regularly, especially during dry periods, to maintain consistently moist soil. Allow the top inch of soil to dry out between waterings.

Prune in late winter or early spring to shape the plant and remove dead or crossing branches. Can be pruned harder to encourage bushier growth.

Easily propagated from seeds sown in autumn or spring, or from semi-hardwood cuttings taken in summer.

Repot container-grown plants every 2-3 years in spring. Use a well-draining potting mix and a pot one size larger.

FAQs

Is Clerodendrum trichotomum poisonous to pets?

Yes, Clerodendrum trichotomum is considered mildly toxic to pets. Ingestion of berries or leaves can cause gastrointestinal upset, such as vomiting and diarrhea.

What is the best location for Harlequin Glorybower?

Harlequin Glorybower thrives in full sun to partial shade. It prefers a location protected from strong winds and harsh afternoon sun in very hot climates.

How often should I water Clerodendrum trichotomum?

Water regularly to keep the soil consistently moist, especially during dry spells. Allow the top inch of soil to dry out between waterings. Reduce watering in winter.

When is the best time to prune Clerodendrum trichotomum?

The best time to prune is in late winter or early spring before new growth begins. This helps maintain shape and remove any dead or damaged branches.

Does Clerodendrum trichotomum attract pollinators?

Yes, the fragrant flowers of Clerodendrum trichotomum are attractive to bees and butterflies, making it a good choice for pollinator gardens.