How to Grow Sundew with Pitcher Plants

Sundew with Pitcher Plants

Drosera spp. & Sarracenia spp.

flower

Sundews (Drosera) and pitcher plants (Sarracenia) are carnivorous plants that trap and digest insects to supplement nutrient intake in poor soils. Sundews use sticky, glandular tentacles on their leaves, while pitcher plants use tubular pitcher-shaped leaves filled with digestive fluid. These fascinating bog plants can be grown together in similar conditions and make excellent companion terrarium specimens.

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Example Sundew with Pitcher Plants timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Sundew with Pitcher Plants

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Sundew with Pitcher Plants blooms

    Mid-to-late summer

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Sundew with Pitcher Plants dates for your own zip code.

Growing Conditions

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Sun: Bright indirect light, 4-6 hours of direct sun daily; some tropical species tolerate partial shade
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Water: Keep constantly moist with distilled or rainwater; standing water in trays is ideal. Never use tap water (mineral content damages delicate traps). High humidity (60-80%) essential.
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Spacing: 6-12 inches between plants depending on mature size inches
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Days to maturity: 6-12 months for visible growth; flowering occurs annually after establishment
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Planting depth: Surface or shallow planting; do not bury crown/base

Soil

Type: Acidic, nutrient-poor peat moss or sphagnum moss mix (no compost or fertilizer)
pH: 4.0-5.5
Amendments:
Perlite or sand for drainage (20-30%) Long-fiber sphagnum moss Distilled water for rinsing soil

Growing Zones

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Zones 4-8 for most temperate species; tropical varieties extend to zone 9+

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

1

Dormancy/Establishment

4-8 weeks

Plants may appear stunted or enter dormancy after transplanting; slow initial growth is normal

Maintain consistent moisture and humidity; avoid fertilizing or disturbing roots; provide cool nights if possible

2

Vegetative Growth

2-4 months

New rosette leaves unfold; sundew tentacles develop sticky glands; pitcher plants form tubular pitchers

Ensure bright light and high humidity; continue distilled water only; do not feed insects yet

3

Flowering

3-6 weeks

Delicate flowers emerge on tall stalks (sundews: pink/white/red; pitchers: burgundy/yellow/white depending on species)

Support flower stalks if needed; allow flowers for pollination and seed development; maintain normal watering

4

Trapping & Digestion

Ongoing during growing season

Sticky tentacles and pitchers actively trap insects; digestive enzymes break down prey over several days

Natural feeding from ambient insects is ideal; avoid force-feeding; one trap feeds one insect at a time

5

Dormancy (Temperate Species)

3-4 months (winter)

Growth slows or halts; leaves may redden or die back; pitchers may wither

Reduce watering slightly but keep soil moist; provide cool period (50-60°F) for 2-3 months; reduce light slightly

Companion Planting

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Plant with:

Sundews with pitcher plants (excellent together) Venus flytraps (Dionaea muscipula) Butterworts (Pinguicula) Sphagnum moss Bog mosses Sundews with each other (different species) Pitcher plants with each other (different species)

Avoid planting near:

Non-carnivorous plants requiring rich soil Fertilized plants (nutrient runoff damages carnivores) Lime-loving plants Drought-tolerant plants (water requirements conflict) Tropical houseplants (humidity/dormancy needs differ)

Common Pests

  • Increase humidity; rinse gently with distilled water; isolate infected plant; introduce predatory mites if severe

  • Ensure excellent air circulation; avoid wetting crown; use sterile soil; reduce humidity if water sits on leaves; repot in fresh media if rot develops

  • Allow carnivorous plants to feed naturally; gentle spray with distilled water; isolate severely infested specimens

  • Improve air circulation; ensure peat moss is fresh; reduce standing water if excessive; do not overwater

  • Remove by hand with distilled water spray; isolate plant; monitor weekly

Uses

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Natural Pest Control

Household

Sundews and pitcher plants actively trap and digest flying insects including flies, gnats, mosquitoes, and small moths. A single plant can trap dozens of insects per season, providing biological pest management for indoor spaces. [source]

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Bog Ecosystem Simulation

Wildlife

Growing these plants together recreates miniature bog ecosystems, supporting the biodiversity and nutrient cycling found in natural wetlands. They provide habitat complexity and nutritional cycles for terrarium systems. [source]

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Traditional Herbalism

Medicinal

Sundew species (particularly Drosera rotundifolia) have been used in traditional European medicine to prepare cough syrups and bronchial remedies. Historical use suggests expectorant and antispasmodic properties, though modern clinical evidence is limited. [source]

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Botanical Specimens & Terrariums

Craft

The striking morphology of carnivorous plants—glittering sundew tentacles and ornate pitcher shapes—make them prized for decorative terrarium displays, vivariums, and botanical collections. Their unique aesthetics appeal to collectors and gardeners. [source]

🍳

Traditional Beverages

Culinary

Sundew infusions (particularly in Alpine and Scandinavian traditions) have been brewed as herbal beverages claimed to support respiratory and digestive health. Not commonly used in modern cuisine but represents ethnobotanical heritage. [source]

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

Harvest Tips

Carnivorous plants are not harvested for yield. Allow natural insect trapping. Collect seeds from flowers in late summer (wrap flower stems in netting). Do not pick leaves (damages plant). For propagation: divide mature rosettes, use leaf cuttings, or grow from seed (requires cold stratification for temperate species). Extract seeds when seed pods dry, stratify in refrigerator 4-8 weeks, then surface-sow on moist sphagnum.

Fun Facts

  • 🌱 Sundew tentacles move to trap prey in 30 seconds to 30 minutes—one of the fastest plant movements in nature. The 'glue' is a mixture of mucopolysaccharides that attract insects by reflecting light like dewdrops.
  • 🌱 Pitcher plants can digest prey up to the size of small frogs and insects; a single pitcher contains 'stomach acid' with enzymes (proteases, phosphatases) that dissolve prey over 5-14 days. Some pitchers hold over 1 liter of digestive fluid.
  • 🌱 Both sundews and pitcher plants evolved their carnivorous traits independently in nutrient-poor environments (bogs, sandy soils). They are not parasites—they fix nitrogen through prey digestion, a strategy unique to ~600 carnivorous plant species worldwide.

Gardening Terms

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