How to Care for Lily Plants Indoors

By James Wilson · January 24, 2026

How to Care for Lily Plants Indoors: Quick Summary

Caring for lily plants indoors involves providing bright, indirect light, well-draining soil, consistent watering, and moderate humidity. Keep temperatures between 65°F and 75°F (18–24°C), avoid cold drafts, and feed with balanced liquid fertilizer every 2–3 weeks during the growing season. Remove spent blooms to encourage longevity and keep lilies away from pets, as many varieties are toxic to cats.

Choosing the Right Indoor Lily Variety

Not all lilies thrive indoors. Selecting the appropriate type is crucial for long-term success. Common indoor-suitable lilies include Peace Lilies (Spathiphyllum), although technically not true lilies, and potted Asiatic or Oriental hybrid lilies sold as gift plants.

Popular Indoor Lily Types

Asiatic Lilies: Early bloomers with bold, upward-facing flowers; require a cool period to rebloom.
Oriental Lilies: Fragrant, large blooms; prefer cooler indoor temperatures and high humidity.
Peace Lily (Spathiphyllum): Tolerant of lower light; produces white spathe blooms and purifies air.
Pot Lilies: Pre-forced bulbs grown for seasonal display, often discarded after flowering.

Light Requirements for Indoor Lilies

Lilies need ample light to bloom but can be scorched by direct sun. Place near an east- or west-facing window where they receive 6–8 hours of bright, indirect sunlight daily.

Signs of Improper Lighting

Leggy growth and sparse foliage = insufficient light
Burnt leaf tips or yellowing = too much direct sunlight
Few or no blooms = inadequate light exposure

Watering and Soil Needs

Proper moisture balance prevents root rot while supporting healthy growth. Use a well-draining potting mix with perlite or orchid bark. Water when the top inch of soil feels dry, ensuring excess water drains freely.

Best Soil Mix Components

2 parts peat-free potting soil
1 part perlite
1 part compost or coco coir for moisture retention

Temperature and Humidity Control

Indoor lilies perform best in stable environments. Avoid placing them near heaters, AC vents, or drafty windows. Maintain humidity levels around 50–60% to mimic their natural habitat.

Humidity Tips

Use a humidifier nearby
Place pots on a pebble tray filled with water
Mist leaves occasionally (avoid buds to prevent fungal issues)

Fertilizing and Feeding Schedule

Nutrient support is essential during active growth. Begin fertilizing in spring using a balanced 10-10-10 NPK liquid fertilizer diluted to half strength every 2–3 weeks until flowering ends.

Month	Temperature (°F)	Humidity (%)	Watering Frequency	Fertilizer Application
January	65–70	50	Once weekly	None
March	68–72	55	Every 5–7 days	Every 3 weeks
May	70–75	60	Every 4–6 days	Every 2 weeks
July	72–75	55	Every 5 days	Every 3 weeks
September	68–72	50	Once weekly	None

Table data source:1, 2

The data shows that optimal care varies seasonally, with peak watering and feeding needs occurring during spring and early summer. Temperature stability enhances bloom development, while reduced inputs in winter support dormancy.

Pruning and Post-Bloom Care

After flowering, remove faded blooms to prevent seed formation and conserve energy. Allow foliage to die back naturally before trimming, as it continues to feed the bulb.

Steps for Post-Flowering Care

Cut off dead flowers just above a leaf node
Continue watering and feeding until leaves yellow
Reduce watering gradually in fall
Store dormant bulbs in cool, dark place (optional for reblooming)

Common Pests and Problems

Indoor lilies may attract spider mites, aphids, or mealybugs. Inspect regularly and treat early infestations with insecticidal soap or neem oil.

Symptoms and Solutions

Sticky residue on leaves = aphids
Webbing under leaves = spider mites
White cottony patches = mealybugs
Brown leaf tips = low humidity or over-fertilization

Frequently Asked Questions About Indoor Lily Care

Can I keep a lily plant indoors year-round?

Yes, certain lilies like Peace Lilies and container-grown Asiatic hybrids can thrive indoors year-round if provided with proper light, humidity, and seasonal care. Dormant periods may be required for repeat blooming.

Why are my lily leaves turning yellow?

Yellowing leaves can result from overwatering, poor drainage, nutrient deficiency, or natural senescence after blooming. Check soil moisture first—soggy soil leads to root rot. Adjust watering and ensure adequate light.

Are lilies safe to grow around pets?

No, most true lilies (Lilium spp.) are highly toxic to cats and can cause kidney failure even from ingesting small amounts of pollen or leaves. Keep them out of reach or choose pet-safe alternatives like Alstroemeria.

How often should I repot my indoor lily?

Repot every 2–3 years in spring, or when roots outgrow the container. Choose a pot only one size larger to avoid waterlogged soil. Refresh the potting mix to replenish nutrients.

Can indoor lilies rebloom?

With proper post-bloom care, some lilies like forced potted Asiatic varieties can rebloom the following year. Provide a cool rest period (around 45–50°F) for 8–12 weeks, then bring into warmth and light to stimulate growth.