Can Spider Plants Live Outside

Can spider plants live outside?

Spider plants (Chlorophytum comosum) can live outside year-round as perennials in USDA Zones 9–11. In Zones 6–8, they thrive outdoors from late spring through early fall. They grow faster outside than indoors and produce more spiderettes (baby plants) when given natural light and warm outdoor temperatures.

The key constraint is frost. Spider plants are tropical plants from southern Africa that tolerate cool temperatures (down to about 35°F) but die at sustained freezing temperatures. In most of the continental US, outdoor spider plants need to be overwintered inside.

This guide covers where, how, and when to grow spider plants outside by US climate zone.

USDA zone guide for outdoor spider plants

In Zone 9 (Houston, Phoenix, Sacramento), spider plants can survive winter outdoors in most years. Hard freezes (25°F or below) will kill the foliage, but the fleshy root system often survives and pushes new growth in spring. If growing in-ground in Zone 9, mulch heavily before winter.

In Zone 10–11 (Miami, Honolulu, coastal Southern California), spider plants grow outdoors year-round without any intervention. They make excellent ground covers, border plants, and container plants on shaded patios.

Light requirements for outdoor spider plants

Outdoor spider plants need bright indirect light or morning sun with afternoon shade. Direct afternoon sun in most US locations will scorch the leaves, causing brown tips and bleached patches.

The best outdoor positions:

• East-facing porch or patio: morning sun (before 11 am) with afternoon shade — ideal for most US zones
• North-facing porch: consistent bright indirect light with no direct sun — works well in Zones 7–9 where ambient light levels are high
• Under a large tree with high canopy: dappled light throughout the day — excellent in Zones 9–11 for in-ground planting
• South-facing porch with deep overhang: blocks midday sun; allows morning and evening light — works in Zones 6–8

Avoid:

• West-facing full sun positions in Zones 7 and south — afternoon heat and sun scorch is almost inevitable
• Full south-facing sun without shade — the hottest exposure in the US

Spider plants grown in lower light produce fewer spiderettes and more elongated, pale foliage. Outdoors, slightly more light than they’d get inside is usually beneficial.

How to transition spider plants from indoors to outdoors

Moving spider plants from inside to outside requires gradual hardening to prevent leaf scorch.

Hardening schedule:

1. Day 1–3: place outside in deep shade for 2–3 hours, then bring in
2. Day 4–7: increase to 4–5 hours in the shade position
3. Week 2: move to the intended outdoor spot (filtered light) for half the day
4. Week 3: leave in the outdoor spot full-time

This 2–3 week process prevents the shock that occurs when indoor-adapted foliage is suddenly exposed to outdoor light intensity. Even a relatively shaded outdoor position has significantly higher UV levels than interior window light.

In Zone 6–7, begin hardening in mid to late April when outdoor temperatures are consistently above 50°F at night. Move plants outside fully after the last frost date (see our planting zones guide for your zone’s last frost date).

Outdoor planting options: container vs. in-ground

Container (most common in Zones 6–8)

Spider plants in containers can be moved inside and outside seasonally. This is the most practical approach for gardeners in Zones 4–8.

Container recommendations:

• Use a pot with drainage holes — this cannot be optional for outdoor use; rain and irrigation cause overwatering without drainage
• Choose a container 2 inches larger than the root ball — spider plants bloom and produce more spiderettes when slightly root-bound
• Use a well-draining potting mix with perlite (25% perlite added to standard mix improves drainage)
• Terracotta dries out faster than plastic — good for hot, humid climates; less ideal for dry climates where frequent watering is needed

Outdoor containers may need watering daily in hot, dry weather (90°F+). Check moisture by pressing your finger 2 inches into the soil — water when dry at that depth.

In-ground (Zones 9–11)

In frost-free zones, spider plants grow vigorously in the ground as ground covers or border plants. They spread by spiderettes that root wherever they touch soil.

In-ground requirements:

• Well-draining soil — amend clay soil with 2–3 inches of compost and coarse grit before planting
• Plant in filtered shade or morning sun
• Space plants 12–15 inches apart for ground cover use — they’ll fill in fully within one growing season
• Water when the top 2 inches of soil dries out

In Zone 9–10, in-ground spider plants can become invasive if spiderettes are not managed. Remove runners before they root, or cut them off and pot them up. Our spider plant babies guide covers propagating spiderettes — both for new plants and for managing outdoor spread.

Outdoor watering and fertilizing

Outdoor spider plants need more water than indoor plants. Sun exposure, wind, and heat increase transpiration. In summer (Zone 7 and south), container spider plants may need water every 1–2 days.

Watering guidelines:

• Check containers daily in temperatures above 85°F
• Water when the top inch of soil is dry in moderate weather; when the surface is dry in heat
• Never let containers sit in standing water — empty saucers after rain
• In-ground plants need 1 inch of water per week during dry periods

Fertilizing outdoors:

• Apply a balanced liquid fertilizer (10-10-10 or 20-20-20 at half label strength) every 4–6 weeks from June through August
• Do not fertilize in spring before the plant has acclimated to outdoor conditions
• Stop fertilizing in late August — fall feeding promotes tender growth that won’t harden before cold weather

Outdoor spider plants produce dramatically more growth than indoor plants. A plant that sat unchanged inside all winter may double in size and produce 10–15 spiderettes in a single outdoor summer.

Pest and disease problems outside

Outdoor spider plants encounter more pests than indoor plants. Check plants weekly.

Common outdoor pests:

• Aphids: soft-bodied insects on new growth; wash off with a strong stream of water or apply insecticidal soap
• Spider mites: fine webbing on undersides of leaves; more common in hot, dry conditions; increase humidity and wash leaves
• Mealybugs: white, cottony clusters in leaf joints; remove by hand with a cotton swab dipped in rubbing alcohol
• Slugs: ragged holes in leaves, usually at night; most common in cool, wet outdoor conditions; use iron phosphate bait

Disease:

• Root rot: caused by waterlogged soil in containers without drainage — the most common outdoor problem; prevent with good drainage
• Brown tips: most common outdoors from fluoride in tap water or salt accumulation in containers; water deeply to flush salts; use rainwater if possible

The most serious risk to outdoor spider plants is overwatering combined with poor drainage. A container plant left in standing water after heavy rain will develop root rot within days in warm weather.

Toxicity note for outdoor use

Spider plants are mildly toxic to cats and dogs. The toxic compounds — chlorophytum saponins and oxalates — cause vomiting, diarrhea, and mild sedation if ingested.

Cats in particular are attracted to spider plants. If you have outdoor cats or visiting cats, place spider plant containers on a raised surface or in a location cats cannot reach. For gardens with dogs, the primary concern is chewing on the strap-like foliage.

Our can cats eat spider plants guide covers the specific toxicity in detail with guidance on whether to worry based on the amount consumed.

Bringing spider plants back inside for winter

Bring spider plants inside before temperatures drop below 50°F consistently. In Zone 6–7, this typically means early October.

Before bringing inside:

1. Inspect every leaf and the soil surface for pests — do not bring infested plants indoors
2. If pests are present, treat outdoors with insecticidal soap 48 hours before moving inside and inspect again
3. Pot in fresh potting mix if roots are circling the pot or soil looks degraded
4. Cut back any damaged, scorched, or dead foliage

Transitioning back inside: The reverse of hardening — reduce light exposure over 2 weeks. Bring inside first to a bright window, then gradually move to the intended interior location.

Indoor spider plants in winter need less water (once every 10–14 days in most homes) and no fertilizer until spring growth resumes.

For general indoor spider plant care through winter, our low light houseplants guide covers light requirements and care adjustments for houseplants in US homes during the low-light winter months.

Why grow spider plants outside?

The practical benefits of summer outdoor growing for spider plants:

1. Faster growth: natural light cycles and outdoor temperatures trigger significantly faster cell division
2. More spiderettes: outdoor plants consistently produce 3–5 times more babies than indoor plants — a good source of free plants to share or repot
3. Better color: the variegated white-and-green pattern intensifies with more light
4. Cleaner foliage: outdoor humidity, rain, and airflow reduce dust accumulation and prevent the flat, tired look of long-term indoor plants
5. Root recovery: plants that have been root-bound indoors benefit from the growth surge of outdoor conditions before being repotted in fall

For gardeners in Zones 6–8, treating spider plants as seasonal outdoor plants rather than permanent indoor plants often results in much healthier, more vigorous specimens. The indoor winters become a rest period, not the plant’s primary environment.

Our best plants for beginners guide lists spider plants as a top choice for new gardeners — in part because of this flexibility between indoor and outdoor growing that makes them forgiving and adaptable.