How to Grow Sensitive Plant

Sensitive Plant

Mimosa pudica

herb

A tropical perennial known for its remarkable ability to fold its leaves when touched, hence the common name 'sensitive plant.' The plant features delicate, fern-like compound leaves and produces small pink or purple pom-pom-like flower clusters. It's grown primarily as a curiosity houseplant for its fascinating movement response.

When should you plant Sensitive Plant in your zone?

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Example Sensitive Plant timeline · Pittsburgh, PA (Zone 6b)

Plant Sensitive Plant
Around Apr 17

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

Watering, feeding, and pest-watch reminders.
Harvest Sensitive Plant
Around Jul 16

≈ 90 days after planting

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

Growing Conditions

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Sun: Bright, indirect light; 4-6 hours of indirect sunlight daily; can tolerate some direct morning sun

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Water: Keep soil consistently moist but not waterlogged; reduce watering in winter; prefers humid conditions

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Spacing: 12 inches

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Days to maturity: 90-120 days to noticeable growth and leaf-closing response

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Planting depth: 0.25 inches for seeds; transplants at soil level

Soil

Type: Well-draining loamy soil with organic matter

pH: 5.5-6.5

Amendments:

Peat moss or coconut coir Perlite for drainage Compost

Growing Zones

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Thrives in zones 10b-11; typically grown indoors in cooler climates

10b 11a 11b

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Growth Stages

Germination

7-14 days

Seeds sprout and first tiny leaves appear; plant is very delicate

Keep soil warm (70-75°F) and consistently moist; provide gentle indirect light; maintain high humidity with a humidity dome or plastic cover

Seedling

2-3 weeks

True leaves develop, plant remains small with 2-4 leaf pairs; early sensitivity response begins

Maintain warmth and moisture; gradually increase light exposure; begin gentle misting to maintain humidity; avoid touching to prevent stress

Vegetative Growth

4-8 weeks

Rapid expansion of fern-like leaves; plant develops bushy form with multiple stems; leaf-closing response becomes pronounced

Provide consistent moisture and bright indirect light; pinch tips to encourage branching; maintain temperatures above 65°F; fertilize every 2-3 weeks with diluted balanced fertilizer

Flowering

4-6 weeks

Small, soft pink or purple spherical flower clusters appear at branch tips; very attractive delicate blooms

Continue consistent watering and feeding; pollinate flowers by hand if desired with a small brush; maintain warmth and humidity for best flowering

Maturity

Ongoing (plant typically declines after 1-2 years)

Full-sized bushy plant with multiple flowering branches; leaf sensitivity fully developed and responsive

Maintain regular watering and feeding; prune to control shape; reduce watering slightly in winter dormancy period; watch for pests in indoor settings

Companion Planting

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Plant with:

African Violet Fittonia Calathea Peperomia

Avoid planting near:

Drafty areas Heat sources Dry-air environments

Common Pests

Increase humidity with regular misting; spray with neem oil or insecticidal soap; isolate affected plants
Remove with alcohol-dipped cotton swab; spray with insecticidal soap; ensure good air circulation
Use yellow sticky traps; spray with neem oil or insecticidal soap; increase air circulation
Allow soil surface to dry slightly between waterings; use sand layer on soil top; use yellow sticky traps

Uses

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Novelty Indoor Plant

Household

Grown as a unique houseplant curiosity for its distinctive leaflet closure in response to touch, vibration, or mechanical stimulation. Provides visual interest and serves as an excellent conversation starter. [source]

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Traditional Medicine

Medicinal

Used in Ayurvedic and traditional Asian medicine for various purposes including stress relief and sleep support. Some cultures use it for respiratory or digestive health, though scientific evidence is limited. [source]

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Educational Demonstration

Educational

Excellent teaching tool for studying plant physiology, tropism, and how plants respond to environmental stimuli. Often used in schools and botanical settings to teach about plant behavior. [source]

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Butterfly & Pollinator Attraction

Wildlife

The delicate pink flowers attract small bees, butterflies, and other pollinators in tropical and warm temperate gardens. Provides nectar and encourages pollinator populations. [source]

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

Harvest Tips

Not typically harvested for food or foliage. Flowers can be observed and photographed when they bloom. For seed collection, allow flowers to develop into small seed pods after blooming; collect pods when they turn brown and dry.

Fun Facts

🌱 The sensitive plant's leaf-closing response is called 'nyctinasty' and occurs because of rapid water loss in specialized cells at the base of leaflets, causing them to fold in milliseconds—this is one of the fastest plant movements on Earth.
🌱 The purpose of this dramatic leaf-closing mechanism remains scientifically debated; theories include defense against herbivores, protection from rain damage, and energy conservation.
🌱 The plant was so popular among Victorian gardeners in the 19th century that it became known as a 'parlor plant,' prized for its magical-seeming ability to respond to touch.

Gardening Terms

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

Perennial pH True Leaves

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