perennial

Silver Center Jack-in-the-Pulpit

Arisaema sikokianum 'Silver Center'

The Story

Plant Bio

Arisaema sikokianum, commonly known for its unique spathe and spadix formation, produces striking foliage.

The Silver Center cultivar features distinct silver markings on its foliage, making it stand out in shaded areas.

Uses & Benefits:

Ornamental UsesAdds exotic aesthetic with striking foliage and unique blooms.
Practical UsesPrefers shaded areas, ideal for low-light garden spots.
Ecological BenefitsSupports pollinators like bees and butterflies.

Essentials

At a Glance

Plant Type

Perennial

Height

15"

Width

10"

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Consistent moisture

Humidity

Moderate

Lifespan

Perennial

Native To

Japan

Toxicity

Toxic; contains calcium oxalate crystals

Bloom period

Late spring – Early summer

J
F
M
A
M
J
J
A
S
O
N
D

In flower about 2 months of the year

Planting

How to Grow

  1. Tuck corms 4-6 inches deep in well-draining soil in early spring.
  2. Mist seedlings regularly to maintain moist soil without waterlogging.
  3. Place in partial shade to protect from direct hot sun.
  4. Water consistently during active growth, avoiding drought stress.
  5. Apply a balanced fertilizer every 4-6 weeks during growing season.
  6. Mulch around the plant to conserve moisture and suppress weeds.

Pro Tip

Use organic compost to enrich soil and promote healthy growth.

Keep It Thriving

Care Guide

Do

  • Keep soil moist but not soggy 🌱
  • Provide partial shade in hot climates
  • Fertilize during active growth
  • Mulch to retain soil moisture

Don't

  • Avoid overwatering to prevent rot ❌
  • Don’t expose corms to direct hot sun
  • Skip fertilizing in dormant months
  • Don’t disturb bulbs during dormancy

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Divide
Fertilize
Mulch
Pest Check
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland borderEvergreen container displayMoist garden bed

Multiply

Propagation Methods

Good to Know

Common Questions

Silver Center Jack-in-the-Pulpit questions

What zones can Silver Center Jack-in-the-Pulpit grow in?

Silver Center Jack-in-the-Pulpit is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Silver Center Jack-in-the-Pulpit deer resistant?

Yes — Silver Center Jack-in-the-Pulpit is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Silver Center Jack-in-the-Pulpit bloom?

Silver Center Jack-in-the-Pulpit typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Silver Center Jack-in-the-Pulpit need full sun?

Silver Center Jack-in-the-Pulpit does best in part shade.

Keep exploring

Grow Silver Center Jack-in-the-Pulpit with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.