Also known as Dew-Threads · Dewthread · Thread-Leaf Sundew
Drosera filiformis, the Florida Threadleaf Sundew, is a carnivorous plant with slender, thread-like leaves covered in sticky tentacles to trap insects.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun
100% intensity
Requires at least 6-8 hours of direct sunlight daily for optimal growth and dew production.
Consistently Moist to Wet
100% intensity
Use pure water (distilled, rainwater, RO). Employ the tray method.
Acidic, nutrient-poor, high in organic matter (e.g., peat moss and sand)
50% intensity
Warm to Moderate
75% intensity
Thrives in temperatures between 20-30°C during the growing season. Tolerates cooler temperatures and requires a cool dormancy period.
None Required
0% intensity
Carnivorous plant; captures its own nutrients from insects. Fertilizers will damage the plant.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Keep the substrate consistently moist to wet, mimicking boggy conditions. Use distilled, rainwater, or reverse osmosis water only.
Allow the water tray method for automatic watering, ensuring the pot never dries out completely. Overwatering is generally not an issue as long as the water quality is appropriate.
Pruning is minimal and mostly for aesthetics or to remove dead foliage. Trim away any dying or dried leaves at the base of the plant using clean scissors. This also helps prevent fungal issues.
During dormancy, remove all dead leaves to prepare for new growth in spring.
Easily propagated from leaf cuttings, root cuttings, or seeds. For leaf cuttings, gently detach a healthy leaf and lay it on moist substrate. Root cuttings can be taken from the rhizome.
Seed germination requires stratification and specific sowing conditions, often best left to experienced growers.
Repot every 1-2 years in late winter or early spring before new growth begins. Use a well-draining, nutrient-poor mix, typically a 50:50 blend of peat moss and perlite or sand.
Ensure the new pot is deeper than the previous one to accommodate the long root system.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Florida Threadleaf Sundew (Drosera filiformis)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Droseraceae |
| Genus | Drosera |
| Species | Drosera filiformis |
Similar in genus Drosera
Answers based on plant encyclopedia data
