Lupinus polyphyllus 'Magic Lantern'
perennialN. America Native

Magic Lantern lupine

Lupinus polyphyllus 'Magic Lantern'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

36 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

North America

Toxicity

All parts are toxic if ingested, especially the seeds

The Story

Plant Bio

Magic Lantern is a cultivar of the bigleaf lupine known for its attractive, bright yellow flowers and lush foliage. It is a perennial plant that adds vibrant color to gardens. This cultivar is particularly noted for its compact size and stunning flower spikes, making it a popular choice for cottage gardens and borders.

Bloom Period:

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

Uses & Benefits:

Ornamental UsesLupinus polyphyllus adds vibrant color and vertical interest to gardens, attracting pollinators and providing a lush, textured backdrop.
Practical UsesIts deep roots help improve soil stability and nitrogen fixation, enriching garden soil naturally.
Ecological BenefitsSupports bees, butterflies, and hummingbirds, promoting biodiversity and ecological health.

Marketplace

Where to Buy

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Planting

How to Grow

  1. Tuck seeds into well-draining soil in early spring for best germination.
  2. Mist cuttings regularly to maintain soil moisture and promote rooting.
  3. Transplant seedlings after danger of frost has passed, typically 6 weeks after germination.
  4. Fertilize lightly in spring with a balanced, slow-release fertilizer.
  5. Prune dead or damaged stems in late winter to encourage healthy growth.
  6. Mulch around plants to conserve moisture and suppress weeds.

Pro Tip

Soak seeds overnight to improve germination speed and success rate.

Keep It Thriving

Care Guide

Do

  • Water regularly during dry spells 🌱
  • Prune to shape and remove dead growth
  • Apply balanced fertilizer in spring
  • Mulch to retain soil moisture
  • Monitor for pests and diseases

Don't

  • Avoid overwatering to prevent root rot ❌
  • Don’t fertilize late in the season
  • Never prune in late fall or winter
  • Avoid planting in poorly drained soil
  • Don’t ignore pest signs

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Fertilize
Mulch
Plant
Spring Cleanup
Stake

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Colorful perennial borderWildflower meadow accentButterfly-friendly garden

Companion Plants

Echinacea Salvia Coreopsis Achillea Gaillardia

Multiply

Propagation Methods

Good to Know

Common Questions

Magic Lantern lupine questions

What zones can Magic Lantern lupine grow in?

Magic Lantern lupine is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Magic Lantern lupine deer resistant?

Not reliably. Deer may browse Magic Lantern lupine, especially tender spring growth β€” plan on repellents or fencing where pressure is high.

When does Magic Lantern lupine bloom?

Magic Lantern lupine typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone β€” Sow's bloom calendar maps it to your garden.

Does Magic Lantern lupine need full sun?

Magic Lantern lupine does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Keep exploring

Grow Magic Lantern lupine 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.

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