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String of Pearls

Senecio rowleyanus

An enchanting trailing succulent with unique pea-shaped leaves that cascade like a string of green beads from hanging baskets or shelves. This conversation-starter produces tiny white cinnamon-scented flowers and can trail several feet long, making it perfect for adding vertical interest to any succulent collection. Its unusual appearance and easy care make it a social media darling.

Harvest

N/Ad

Days to harvest

📅

Sun

Bright indirect light

☀️

Zones

9–12

USDA hardiness

🗺️

Height

12-24 inches

📏

Complete Growing Guide

Soil: Sand. Soil pH: Neutral (6.0-8.0). Drainage: Good Drainage, Occasionally Dry, Very Dry. Spacing: Less than 12 inches. Growth rate: Medium. Maintenance: Low. Propagation: Division, Leaf Cutting, Seed.

Harvesting

String of Pearls doesn't require traditional harvesting since it's purely ornamental, but you'll regularly 'harvest' cuttings for propagation and maintenance. The best time to take cuttings is during active growing season (spring through early fall) when the plant can recover quickly.

Look for healthy stems with plump, firm pearls that show no signs of wrinkling or soft spots. Ideal cutting length is 4-6 inches with multiple nodes visible along the stem. Use clean, sharp scissors to make cuts just above a node on the mother plant—this encourages new growth from that point.

Morning is optimal for taking cuttings when the plant is fully hydrated from overnight recovery. Avoid cutting during the hottest part of the day when the plant may be stressed. The stems should feel firm and the pearls should be taut, not squishy.

When harvesting flowers (those tiny white cinnamon-scented blooms), cut the entire flower stalk once blooms fade. This redirects energy back into pearl and stem production. Handle stems gently as the pearls can detach easily—they're essentially modified leaves designed to store water, not withstand rough handling.

Storage & Preservation

Fresh String of Pearls cuttings require specific handling for successful propagation. After cutting, let stems callous for 24-48 hours in indirect light before placing on soil. This prevents rot at the cut site.

Store unused cuttings in a cool, dry location (65-70°F) for up to one week. Place them on a paper towel in indirect light—never in water or moist conditions. The pearls' water storage capacity allows them to survive this dry storage period.

For long-term preservation, String of Pearls can be dried for craft projects, though this kills the plant material. Hang stems in a dry, dark location for 2-3 weeks until completely desiccated.

Unlike edible plants, there's no need for refrigeration or traditional preservation methods. The plant's succulent nature means it naturally preserves moisture, making fresh propagation material the most valuable 'harvest' from your String of Pearls.

History & Origin

Origin: South Africa

Advantages

+Disease resistance: Drought, Dry Soil, Heat
+Attracts: Ground Cover, Herbaceous Perennial, Perennial, Poisonous, Shrub, Succulent
+Wildlife value: Some plants used by the larvae of some Lepidoptera (butterflies & moths) species as host plants
+Low maintenance

Considerations

-Toxic (Leaves): Medium severity
-Causes contact dermatitis

Companion Plants

Plant Together

Jade Plant

Similar water and light requirements, creates attractive succulent grouping

Echeveria

Identical care needs and drought tolerance, complementary rosette form

Burro's Tail

Same trailing growth habit and watering schedule, creates cascading display

Haworthia

Similar low-water needs and bright indirect light preferences

Aloe Vera

Compatible watering frequency and sun exposure requirements

String of Hearts

Similar trailing habit and drought tolerance, attractive textural contrast

Zebra Plant

Same care requirements and creates interesting pattern variation

Panda Plant

Identical water and light needs, provides textural diversity

Keep Apart

Baby's Tears

Requires constant moisture which causes root rot in String of Pearls

Ferns

Need high humidity and frequent watering incompatible with succulent care

Impatiens

Require regular watering and shade, opposite of String of Pearls needs

Pests & Disease Resistance

Resistance

Prone to root rot if overwatered. Sensitive to cold and wet conditions.

Common Pests

Aphids, mealybugs, fungus gnats

Diseases

Root rot, stem rot from overwatering

Frequently Asked Questions

How often should I water my String of Pearls?▼

Water String of Pearls only when the pearls begin to wrinkle slightly or develop small transparent windows, typically every 7-14 days in summer and every 3-4 weeks in winter. The soil should be completely dry before watering. Overwatering is the #1 killer of this plant, so when in doubt, wait longer.

Why are the pearls on my String of Pearls falling off?▼

Pearls drop due to several factors: overwatering (most common), underwatering (pearls shrivel then drop), low light conditions, temperature stress, or natural aging. Check soil moisture first—if it's consistently damp, reduce watering frequency. If pearls are wrinkled, the plant needs water. Move to brighter indirect light if it's been in low light.

Can String of Pearls grow in low light conditions?▼

String of Pearls needs bright, indirect light to maintain its compact pearl formation. In low light, it becomes leggy with widely-spaced pearls and may stop growing entirely. While it can survive in medium light, it won't thrive or maintain its characteristic appearance. Place within 3 feet of a bright window for best results.

How do I propagate String of Pearls successfully?▼

Cut healthy 4-6 inch stems with multiple nodes, let them callous for 24-48 hours, then lay them on top of well-draining succulent soil. Ensure nodes touch the soil surface but don't bury the stems. Mist lightly every few days until roots develop in 2-3 weeks. Keep in bright, indirect light during rooting.

Is String of Pearls safe for cats and dogs?▼

No, String of Pearls is mildly toxic to cats, dogs, and humans if ingested. It contains compounds that can cause gastrointestinal upset, drooling, and lethargy in pets. Keep it in hanging baskets or high shelves away from curious pets and children. If ingestion occurs, contact your veterinarian or poison control immediately.

Why isn't my String of Pearls flowering?▼

String of Pearls typically flowers when mature (2-3 years old) and when it experiences a winter rest period with cooler temperatures and reduced watering. Ensure bright light, proper dormancy period, and don't overfertilize. The small white cinnamon-scented flowers usually appear in late winter or spring on healthy, established plants.