Jack-in-the-pulpit.

En un coup d'œil

Care level

Moderate

Plant type

Perennial

Light

Partial shade to full shade

Indoor light

medium

Water

Every 3 to 7 days

Mature size

60 cm tall

Growth rate

medium

Hardiness

USDA 4 to 9

Bloom time

Mid to late spring

Entretien

Keep the soil consistently moist, mimicking its natural forest floor habitat. Watch for wilting during dry spells, as it does not tolerate drought well. Ensure the soil stays rich in organic matter to support its seasonal growth cycle.

Watering

Keep the soil consistently damp but not waterlogged.

Feeding

Apply a balanced organic fertilizer in early spring as growth begins.

Pruning

Remove dead foliage once it turns brown in late autumn.

Repotting

Repot only when the corms become too crowded in the container.

Soil

Rich, moist, well-draining woodland soil

Soil pH

Acidic to neutral

Temperature

-30 to 30°C

Humidity

50 to 80%

Drought tolerance

low

Lifespan

Perennial, typically 5 to 10 years.

Deer and rabbits

high

Sécurité

People

All parts of the plant are toxic due to high concentrations of calcium oxalate crystals.

Pets

This plant is toxic to cats and dogs due to calcium oxalate crystals.

Children

Keep this plant away from children because the berries and leaves are highly irritating if chewed or swallowed.

Contact allergens

The sap can cause skin irritation or dermatitis in sensitive individuals.

Airborne allergens

None.

Edibility

The plant contains calcium oxalate crystals that cause intense burning and swelling if ingested raw.

Comment l'identifier

• Three leaflets per leaf stalk
• Hooded spathe with striped pattern
• Club like spadix inside spathe
• Clusters of bright red berries

Height

0.3 to 0.6m

Spread

0.2 to 0.4m

Leaves

green, deciduous

Flowers

green, purple, brown, 5 to 15cm

Fruit

red, Late summer to autumn

Problèmes courants

• Rust — Fungal spots appear on leaves during humid weather.
• Slugs — These pests chew holes in the foliage during spring.

La cultiver

Propagation

seed, division

When to plant

spring, autumn

Overwintering

The foliage will die back completely in autumn, so mark the spot to avoid disturbing the dormant corm.

In containers

It grows well in deep pots, provided you use a rich, moisture retentive potting mix.

Group with other moisture loving woodland plants to create a lush, naturalistic forest floor aesthetic.

Bonnes associations

• Trillium — They share similar light and moisture needs in a woodland setting.
• Wild Ginger — It makes a lovely, low growing ground cover beneath the taller Jack in the pulpit.

À éloigner de

• Sun loving perennials — They will scorch in the shade required by this plant.

Espèces similaires

• Green Dragon — It has a similar growth habit but features a much longer, tail like spadix.

Science

Family

Araceae

Genus

Arisaema

Order

Alismatales

Class

Liliopsida

Native range

Eastern North America.

Conservation

It is generally common, but avoid harvesting from wild populations to protect local ecosystems.

It thrives in moist, shaded forest floors where it relies on specific beetles for pollination.

Value to wildlife

nectar source

Pollinators

beetles

Uses

woodland garden, shade border, native plant display

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Is it poisonous to pets?

Yes, it is toxic to dogs and cats if ingested.

Does it need full sun?

No, it prefers deep to partial shade.

D'où vient le nom

The genus name Arisaema comes from Greek words for arum and blood, while triphyllum refers to its three leaflets.

Bon à savoir

• The spadix is hidden inside a hooded spathe.
• It is also known as Indian turnip.
• The berries turn a bright, shiny red in late summer.
• It can switch from male to female as it grows larger.