How to Grow Pint Size Lupine

Pint Size Lupine

Lupinus perennis 'Pint Size' (dwarf cultivar)

flower

Pint Size Lupine is a compact dwarf perennial lupine cultivar that produces vibrant flower spikes in shades of blue, purple, pink, and white. This miniature version reaches only 12-18 inches tall, making it perfect for borders, containers, and rock gardens. It blooms in late spring to early summer and attracts pollinators while requiring minimal maintenance once established.

Looking for a specific variety?

Pint Size Blue Pint Size Mixed Pint Size Red Pint Size White Pint Size Pink

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Example Pint Size Lupine timeline · Pittsburgh, PA (Zone 6b)

Plant Pint Size Lupine
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
First Pint Size Lupine blooms
Around Aug 15

≈ 120 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Pint Size Lupine dates for your own zip code.

Growing Conditions

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Sun: Full sun, 6-8 hours daily for best flowering

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Water: Moderate watering; allow soil to dry between waterings once established. Prefer drier conditions than wet. Excellent drought tolerance after establishment. Water seedlings consistently until roots develop.

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Spacing: 12 inches

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Days to maturity: 120-150 days from seed to first bloom

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Planting depth: 1/8 inch for seeds (surface sow with light pressing); plant transplants at soil line

Soil

Type: Well-draining, slightly sandy or gravelly soil with low to moderate fertility

pH: 6.0-6.5

Amendments:

Perlite or coarse sand for drainage Avoid heavy compost or manure (promotes excessive foliage over flowers)

Growing Zones

Find your zone →

Thrives in zones 3-7, prefers cooler climates

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b

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Growth Stages

Seed Germination & Seedling

4-6 weeks

Tiny seedlings emerge with cotyledons; first true leaves are palmate (hand-shaped) with 5-9 leaflets. Growth is slow in first 4-6 weeks.

Keep soil moist but not waterlogged. Provide cool temperatures (60-70°F ideal). Avoid overwatering to prevent damping off. Thin seedlings to 2-3 inches apart. Some gardeners scarify seeds lightly or soak overnight to improve germination.

Vegetative Growth

6-8 weeks

Plant develops bushy foliage with characteristic palmate leaves growing in rosette form. No flowers yet; stem thickens and side shoots emerge.

Allow soil to dry slightly between waterings. Ensure excellent drainage. Begin hardening off transplants 7-10 days before planting outdoors. Pinching main stem when 4-6 inches tall encourages bushier growth, though Pint Size cultivars are naturally compact.

Flowering

4-6 weeks peak bloom, can repeat with deadheading

Dense, compact flower spikes emerge from leaf axils and tops, densely packed with small pea-like flowers. Colors include blues, purples, pinks, and whites. Spikes typically 4-8 inches tall on dwarf varieties.

Deadhead spent flower spikes to encourage additional blooms and extend season. Water during dry spells but maintain drainage. Staking unnecessary for dwarf varieties. Enjoy blooms for 4-6 weeks.

Seed Development & Dormancy

4-8 weeks; dormancy through cold months

If flowers are not deadheaded, seed pods develop and mature. Plant begins to slow growth; foliage may decline in midsummer heat. Perennial roots strengthen for overwintering.

Allow some flowers to remain if seed collection is desired. Cut back foliage to 2-3 inches after bloom season ends or in fall. Mulch lightly for winter protection in zones 3-4. No fertilizer needed; excess nitrogen reduces flowering.

Spring Emergence (Year 2+)

Ongoing perennial cycle

Perennial roots regrow fresh foliage in spring. Larger, more vigorous plants emerge; expect more flower spikes than first-year plants.

Remove winter mulch as soil warms. Clear away dead foliage from previous year. Plants become more drought-tolerant. Do not divide young plants; most lupines dislike transplanting. Allow 2-3 years before considering division.

Companion Planting

Plan your garden →

Plant with:

Catmint (Nepeta) Russian Sage (Perovskia) Coreopsis Salvia Delphinium Allium Achillea Lavender Sedum

Avoid planting near:

Fennel Kochia Plants requiring rich, heavily fertilized soil (lupines prefer lean conditions) Cabbage family plants (compete for nitrogen-fixing bacteria in some contexts)

Common Pests

Spray with strong water stream; use insecticidal soap or neem oil if severe. Encourage beneficial insects like ladybugs and lacewings.
Increase humidity; spray with water. Use miticide or neem oil if infestation is heavy. More common in hot, dry conditions.
Ensure good air circulation; avoid overhead watering. Apply sulfur dust or neem oil at first sign. Remove heavily infected leaves.
and (Limax and Helix species)
Handpick at dusk/night. Use slug traps with beer. Apply copper barriers or diatomaceous earth around base. Remove mulch if excessive.
Improve air circulation. Remove infected leaves promptly. Avoid overhead irrigation. Apply copper fungicide if widespread.

Uses

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Edible Lupine Seeds

Culinary

Lupine seeds are edible and nutritious, traditionally consumed in Mediterranean and South American cuisines. They are high in protein and can be boiled, roasted, or ground into flour, though bitter alkaloid compounds require proper processing (soaking and boiling). [source]

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Herbal remedy uses

Medicinal

Lupine has been used in traditional medicine for digestive complaints and skin conditions, though modern scientific evidence is limited. Always consult healthcare providers before use. [source]

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Pollinator magnet

Wildlife

Lupines are excellent nectar and pollen sources for bumblebees, native bees, butterflies, and hummingbirds, supporting pollinator populations essential for healthy garden ecosystems. [source]

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Cut flower arrangements

Household

Dwarf lupine spikes make charming fresh-cut flowers for small bouquets and containers, lasting 1-2 weeks in water. Their compact size is perfect for table arrangements. [source]

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Seed saving and propagation

Craft

Lupine seeds are easy to collect and store, allowing gardeners to save seeds for next season or share with others. Seeds remain viable for 3-5 years when stored cool and dry. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Lupine flowers are primarily ornamental. For seed collection, allow a few flower spikes to mature until seed pods dry and turn brown/tan (late summer). Harvest pods when fully dry and papery; allow to dry further indoors before extracting seeds. For cut flowers, harvest spikes in early morning when 50-75% of flowers are open; they last 1-2 weeks in a vase with fresh water.

Fun Facts

🌱 Lupines are nitrogen-fixing plants—their roots harbor symbiotic bacteria (Rhizobium) that convert atmospheric nitrogen into usable plant nutrients, reducing fertilizer needs and improving soil for nearby plants.
🌱 The name 'lupine' comes from the Latin word 'lupus' (wolf), as Romans believed lupines 'wolfed down' soil nutrients; ironically, they actually enrich it.
🌱 Lupine flowers spiral around the flower spike in a mathematically precise pattern called a Fibonacci sequence, which is found throughout nature and enhances their visual appeal.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Cultivar Damping Off Deadhead Full Sun Germination Hardening Off Mulch Perennial Transplant True Leaves

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