Lupinus microcarpus 'microcarpus'
perennialN. America Native

Tiny Lupine

Lupinus microcarpus 'microcarpus'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Western North America

Toxicity

Non-toxic

The Story

Plant Bio

A low-growing perennial with a bushy form and small leaves that resembles a small shrub. Lupinus microcarpus is known for its ability to thrive in poor soils and is particularly drought-resistant.

Bloom Period:

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

Uses & Benefits:

Ornamental UsesLupinus microcarpus provides vibrant purple flowers that attract pollinators, enhancing garden aesthetics.
Practical UsesIts deep roots help stabilize soil and prevent erosion on slopes.
Ecological BenefitsSupports bees and butterflies, contributing to local biodiversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

  1. Tuck seeds about 1 inch deep in well-draining soil.
  2. Mist cuttings regularly to maintain humidity.
  3. Plant in full sun for optimal blooms.
  4. Water consistently during dry periods for best growth.
  5. Apply a balanced fertilizer in early spring.
  6. Divide clumps every 3–4 years to rejuvenate.

Pro Tip

Soak seeds overnight before planting to improve germination success.

Keep It Thriving

Care Guide

Do

  • Provide full sun for at least 6 hours daily 🌞
  • Use well-draining soil to prevent root rot
  • Water moderately, avoiding over-saturation
  • Fertilize in early spring with a balanced fertilizer
  • Mulch to retain moisture and suppress weeds

Don't

  • Avoid overwatering, which can cause root rot ❌
  • Don’t plant in heavy clay soil without amendment
  • Refrain from heavy pruning during the flowering period
  • Avoid shady locations that hinder blooming
  • Don’t forget to protect young plants from frost

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Pest Check
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Wildflower meadow with delicate purple bloomsErosion control on slopes with its deep rootsNaturalized border for a rustic look

Companion Plants

Geraniums Coreopsis Salvia Echinacea Lavender

Multiply

Propagation Methods

Good to Know

Common Questions

Tiny Lupine questions

What zones can Tiny Lupine grow in?

Tiny Lupine is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Tiny Lupine deer resistant?

Yes β€” Tiny Lupine is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Tiny Lupine bloom?

Tiny 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 Tiny Lupine need full sun?

Tiny Lupine does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Tiny Lupine drought tolerant?

Yes β€” once established (usually after the first full season), Tiny Lupine handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.

Keep exploring

Grow Tiny 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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