Plant Care
on Apr 22 2026
How to Care for Sundew: The Complete Guide
Sundews (Drosera) are glistening carnivorous wonders. Their leaves are covered in tentacles tipped with sparkling, sticky "dew" drops that trap insects. When a bug gets stuck, the leaf slowly curls around it, digesting the insect for nutrients. Fascinating to watch and easier to grow than most people think.
Sundew at a Glance
Botanical Name
Drosera spp.
Common Names
Sundew
Plant Type
Carnivorous perennial
Mature Size
1–8 inches (varies by species)
Light
Bright light to full sun
Water
Keep constantly moist with distilled water (tray method)
Humidity
50–80%
Temperature
60–85°F for tropical species
Soil
Nutrient-free (sphagnum peat + perlite)
Toxicity
Non-toxic
Difficulty
Moderate
Light Requirements
Sundews need bright light — ideally 6+ hours of direct or very bright indirect light daily. In sufficient light, the tentacles develop vibrant red coloring and produce abundant dew drops. In low light, they stay green and produce little "dew."
Watering
Critical rules — same as Venus Fly Traps:
Only use distilled water, rainwater, or RO water
Use the tray method: pot sits in a saucer with 1/2 inch of water
Never let the soil dry out
Never use tap water
Soil
Nutrient-free: 1 part sphagnum peat + 1 part perlite. Never use regular potting soil or fertilizer.
Feeding
Sundews catch their own food if placed where insects can reach them. If growing indoors with no bugs, feed small insects (fruit flies, ants) every 2–4 weeks. The sticky dew does the catching — just place a tiny insect on a dewy leaf.
Common Problems
No Dew Production
Not enough light or humidity. Move to a brighter spot and increase humidity.
Brown, Dying Leaves
Check water quality (must be mineral-free) and ensure consistent moisture. Old leaves die back naturally — only worry if the entire plant declines.
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Frequently Asked Questions
Are Sundews easy to grow?
Easier than most people expect! The key is using distilled water, keeping soil constantly moist, and providing bright light. Drosera spatulata and D. capensis are the easiest species for beginners.
Do Sundews need to eat bugs?
Not strictly — they photosynthesize like all plants. But catching insects provides supplemental nutrition that boosts growth and vigor.
How long do Sundews live?
With proper care, many Sundew species live indefinitely, continuously producing new leaves. Tropical species like Drosera spatulata don't require dormancy.
Can I grow Sundews with Venus Fly Traps?
Yes! They share nearly identical growing conditions (bright light, distilled water, nutrient-free soil). They make excellent companions in a carnivorous plant collection.
Nature's glistening predator. Shop Sundew at Divine Roots.
🌿 Related Reading
Indoor Plants Complete Guide
Best Plants for Office
How to Care for Venus Fly Trap
on Apr 22 2026
How to Care for Venus Fly Trap: The Complete Guide
The Venus Fly Trap (Dionaea muscipula) is nature's most famous carnivore. Watching those iconic jaw-like traps snap shut on insects never gets old — and with the right care, these fascinating plants are far easier to grow than most people think. Here's everything you need to know.
Venus Fly Trap at a Glance
Botanical Name
Dionaea muscipula
Common Names
Venus Fly Trap, Venus Flytrap, VFT
Plant Type
Carnivorous perennial
Mature Size
4–6 inches diameter
Light
Full sun (6+ hours direct)
Water
Keep soil consistently moist with distilled or rain water
Humidity
50–80%
Temperature
70–90°F summer; 35–50°F winter dormancy
Soil
Sphagnum peat + perlite (NO nutrients)
Toxicity
Non-toxic
Difficulty
Moderate (specific requirements)
Light Requirements
Venus Fly Traps are full-sun plants. This is the most important care requirement and where most failures begin. They need a minimum of 6 hours of direct sunlight daily — ideally 8–12 hours.
Best placement: South-facing windowsill, outdoor patio, or under grow lights
Grow lights: If natural sunlight is insufficient, use full-spectrum LED grow lights 6–12 inches above the plant for 12–14 hours daily
Signs of insufficient light: Weak, floppy traps; long green petioles without robust trap development; plant stays flat and pale
In adequate light, traps develop vivid red or purple interiors — this coloring is a direct indicator of proper light exposure.
Watering
This is critical: Venus Fly Traps must be watered with mineral-free water. Tap water contains minerals that accumulate in the soil and kill the plant over time.
Acceptable water sources:
Distilled water
Rainwater
Reverse osmosis (RO) water
Watering method: Use the tray method — set the pot in a saucer with about an inch of water. Let the plant wick moisture up from the bottom. Keep the soil consistently moist (but not submerged) during the growing season.
Growing season: Keep soil consistently moist via tray watering
Dormancy (winter): Reduce water — keep soil damp but not waterlogged
Never let the soil dry out completely
Never use tap water, bottled water, or spring water
Humidity
Venus Fly Traps appreciate moderate to high humidity (50–80%), but they don't require a terrarium or enclosed environment. Good air circulation is more important than extreme humidity. An open windowsill with natural humidity works well.
Temperature & Dormancy
Venus Fly Traps require a winter dormancy period — this is non-negotiable for long-term health. Without it, the plant exhausts itself and dies within 2–3 years.
Growing season (spring–fall): 70–90°F (21–32°C). They love heat.
Dormancy (winter): 35–50°F (2–10°C) for 3–4 months. The plant naturally dies back — leaves blacken and the rosette shrinks. This is normal, not death.
Dormancy options:
Unheated garage or porch (if temperatures stay above freezing)
Refrigerator — wrap the plant (bare root or in damp sphagnum) in a plastic bag and store at 35–45°F
Cool windowsill in an unheated room
Soil
Venus Fly Traps grow in nutrient-poor, acidic soil. Standard potting soil will kill them — it contains fertilizers and minerals their roots can't handle.
Use only:
1 part sphagnum peat moss + 1 part perlite
Or: pure long-fiber sphagnum moss
Never use: Regular potting soil, compost, fertilizer, or any enriched soil. The minerals burn the roots.
Feeding
Venus Fly Traps get nutrients from catching insects, not from soil. You don't need to feed them if they catch bugs naturally (outdoor or windowsill plants). If growing indoors with no insects available:
Feed one trap every 2–4 weeks with a small live insect (flies, crickets, ants)
The insect should be about 1/3 the size of the trap
Don't trigger traps with your finger just for fun — each trap only closes 3–5 times before it dies
Never feed raw meat or human food
Propagation
Division: Mature plants produce offshoots. During spring repotting, gently separate rosettes with their own root systems.
Leaf cuttings: Pull a leaf from the base (including the white rhizome portion), lay on damp sphagnum, and wait for a new plantlet (takes months).
Flower stalk cuttings: When the plant sends up a flower stalk, cut it and root it in moist sphagnum.
Common Problems
Traps Turning Black
Normal! Each trap has a limited lifespan (a few months). Old traps blacken and new ones replace them. Only worry if all traps blacken simultaneously — that indicates overwatering, root rot, or mineral damage from tap water.
Weak, Floppy Traps
Insufficient light. Move to a sunnier location or add grow lights.
Plant Not Catching Insects
The trigger hairs inside the trap must be touched twice within 20 seconds for the trap to close. If insects aren't being caught, the plant may be stressed, too cold, or the traps may be at the end of their lifespan.
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Frequently Asked Questions
Can Venus Fly Traps survive indoors?
Yes, with adequate light. Place on a south-facing windowsill or under strong grow lights. The biggest indoor challenge is providing the winter dormancy period — you'll need a cool location (35–50°F) for 3–4 months.
Do Venus Fly Traps need to eat bugs?
They don't need to eat bugs to survive — they photosynthesize like all plants. Insects provide supplemental nutrition that boosts growth and vigor, but a Venus Fly Trap in good light will survive without catching a single bug.
How long do Venus Fly Traps live?
With proper dormancy and care, Venus Fly Traps can live 20+ years. Without winter dormancy, they typically decline and die within 2–3 years.
Can I use tap water for my Venus Fly Trap?
No. Tap water contains minerals that accumulate in the soil and are toxic to Venus Fly Traps. Always use distilled water, rainwater, or reverse osmosis water.
Bring nature's most fascinating predator home. Shop our Venus Fly Traps — healthy, established plants ready to catch their first meal in your home.
🌿 Related Reading
Indoor Plants Complete Guide
Best Plants for Office
How to Care for Sundew
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