How to Grow Alpine Butterwort

iNaturalist

Alpine Butterwort

Pinguicula alpina

flower

Pinguicula alpina is a delicate carnivorous plant native to alpine and subalpine regions of Europe. It produces sticky, glandular leaves that trap small insects and soluble enzymes that digest them. In spring and early summer, it bears delicate white or pale yellow flowers with purple veining.

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Example Alpine Butterwort timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Alpine Butterwort

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Alpine Butterwort blooms

    Around Jul 16

    ≈ 90 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Alpine Butterwort dates for your own zip code.

Growing Conditions

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Sun: Partial shade to dappled sunlight, 3-4 hours of indirect sun daily
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Water: Keep consistently moist but never waterlogged; provide cool, humid conditions. Use distilled or rainwater rather than tap water. Allow a dry dormant period in winter.
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Spacing: 4-6 inches apart inches
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Days to maturity: Flowers appear 90-120 days from spring growth initiation
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Planting depth: Surface sowing; do not bury seeds

Soil

Type: Nutrient-poor, sandy or gravelly soil with excellent drainage
pH: 5.5-7.0
Amendments:
Peat moss Sand Perlite Orchid bark Avoid fertilizer or nutrient-rich amendments

Growing Zones

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Thrives in zones 3-7, preferring cool mountain climates

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

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Growth Stages

1

Winter dormancy

December-February (3-4 months)

Plant forms a tight rosette of dormant leaves or resting buds beneath the soil surface

Provide cool, dry conditions (32-50°F). Reduce watering significantly but do not allow soil to completely dry. This period is essential for flowering.

2

Spring emergence

March-April (4-6 weeks)

New sticky leaves emerge from the rosette, displaying the characteristic greasy, glandular surface for insect trapping

Gradually increase moisture and light as temperatures warm. Ensure excellent drainage to prevent rot. Begin feeding nutrients if growth is weak, though this is not natural to the species.

3

Flowering

May-June (3-4 weeks)

Delicate flower stems emerge from the rosette, each bearing 1-3 white to pale yellow flowers with purple or pink veining and throat markings

Maintain consistent moisture and cool temperatures. Protect from strong winds that may damage delicate flowers. Humidity is critical.

4

Seed production

June-July (4-6 weeks)

Flowers fade and seed capsules develop; leaves continue to trap insects and grow

Allow flowers to be pollinated by insects or hand-pollinate if needed. Keep soil moist but well-drained. Seeds mature within 4-6 weeks of flowering.

5

Summer growth

July-October (3-4 months)

Plant reaches maximum size with large, sticky leaf rosettes; may produce a second flush of flowers in cooler climates

Provide afternoon shade and excellent air circulation. Maintain humid conditions. Begin reducing water in late summer to prepare for dormancy.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Tall aggressive plants that shade the butterwort Plants requiring rich soil nutrients (competition for nutrients in poor soil) Species that need warm temperatures Water-logged environment plants

Common Pests

  • Increase humidity, mist foliage with distilled water, isolate affected plants, use predatory mites if necessary

  • Improve air circulation, reduce leaf wetness, remove infected portions, fungicidal soap if severe

  • Ensure excellent drainage, use moist but not waterlogged soil, provide dormancy period, repot in fresh soil if rot occurs

Uses

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Natural insect control

Wildlife

Alpine butterwort traps and digests small flying insects such as midges, gnats, and small flies, obtaining nitrogen and other nutrients from insect bodies. This adaptation allows it to thrive in nutrient-poor alpine soils. [source]

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Traditional herbal remedy

Medicinal

Historically used in European folk medicine as a poultice for skin irritations and wounds, though modern evidence for efficacy is limited. The plant contains compounds believed to have mild antimicrobial properties. [source]

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Botanical specimen collecting

Craft

Alpine butterwort is prized by alpine plant enthusiasts and specialized gardeners for its unique carnivorous nature and delicate beauty. It represents a living example of plant adaptation to extreme environments. [source]

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Indoor alpine garden display

Household

Well-suited to alpine troughs, terrariums, and cool greenhouse collections where constant moisture and high humidity can be maintained. Its small size and unusual appearance make it an excellent conversation piece. [source]

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

Harvest Tips

Do not harvest the living plant as it is a delicate perennial. Allow seeds to mature and dry on the plant, then collect in July-August when seed capsules turn brown and papery. Store seeds in cool, dry conditions.

Fun Facts

  • 🌱 Pinguicula alpina's name comes from the Latin 'pinguis' meaning 'fat' or 'greasy,' referring to the oily secretions on its leaves that trap insects.
  • 🌱 Unlike many carnivorous plants, alpine butterwort supplements rather than entirely depends on insect digestion—it also photosynthesizes and can survive in nutrient-poor soils even without capturing prey.
  • 🌱 The plant exhibits a remarkable adaptation to alpine environments: it lies dormant underground as a tight 'hibernacle' during harsh winters, protecting itself from freezing temperatures and snow.

Gardening Terms

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