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About Thread-Leaved Sundew
Thread-Leaved Sundew is a relatively rare houseplant 🌿 that is a fun challenge to grow and needs lots of water to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.
Thread-Leaved Sundew likes soil that is well draining.
Thread-Leaved Sundew belongs to the Drosera genus, and is native to Nova Scotia to the Eastern United States.
Taxonomy
Drosera filiformis
Drosera
Droseraceae
Caryophyllales
Also known as
Threadleaf Sundew and Filiformis

How to care for Thread-Leaved Sundew
How often to water your Thread-Leaved Sundew

every 7
Thread-Leaved Sundew needs 0.5 cups of water every 7 when it doesn’t get direct sunlight and is potted in a 5" pot.
Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Water 0.5 cups every
7
Finding light for Thread-Leaved Sundew in your home

a window
Thread-Leaved Sundew love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Thread-Leaved Sundew does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of Thread-Leaved Sundew in your home 🏡.
How to fertilize Thread-Leaved Sundew

Most potting soils come with ample nutrients which plants use to produce new growth.
By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Thread-Leaved Sundew after it doubles in size or once a year—whichever comes first.
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What are the long tendrils on my sundew? #SpoonLeavedSundew
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Is this fine in a dish with fly traps and pitcher plants? I don’t have drainage holes in the bowl. Not sure if I should add some or not. I kind of like how I can fill it in the center and let the outskirts soak it up and bog it out. #sundews #VenusFlyTrap #PitcherPlant #Sundew
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I went to the Carnivorous plant sale and show at the Missouri Botanical Gardens today!!! These are the plants I bought! 🪰🪰🪰 A spoon leaf sundew, a big sarracenia, a pinguicula (my first one!), a thread leaved sundew, and a colorful little flytrap! I also got some live moss (not pictured.) #pinguicula #ping #vft #venusflytrap #sundew #spoonleafsundew #butterwort #sarracenia #cpclubthursday #carnivorousplants #carnivorousclub #theamigos #happyplants #plantsmakepeoplehappy #plantaddict #newplants #planttherapy #plantlove #threadleavedsundew
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Happy #cpclubthursday everyone!!! My collection is ever-growing. The wide variety of carnivorous plants in the world fascinates me, and I'm on a mission to understand and care for most of the varieties available on the plant market. So far I have MANY #flytraps, two varieties of #sundew, one type of #sarracenia, a small #nepenthes pitcher plant, and finally, a #pinguicula !! I know I am missing a #cephalotus as they are very hard to find. I adore the various methods these predatory plants have developed to catch their prey. Sticky traps and surfaces, nectar, slippery tubes with a hungry belly at the bottom, traps with teeth that close fast enough to catch their victim, and little jars that lure insects to their dooms. What other plants are so dynamic? What other plants can we personify so much that we made a movie (a musical, no less!) about how bloodthirsty they are? They have captivated our imagination ever since the first explorers found them in the wild, and they still do today. #carnivorousplants #carnivorousclub #venusflytrap #happyplants #plantaddict #plantcollector #planttherapy #theamigos #plantmafia #plantsmakepeoplehappy #threadleavedsundew #pinguiculasethos #nepenthesmonkeyjars
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Sundew Blooms and Propagation from Seeds My thread-leaved Sundew, Frazzle, is blooming tiny little pink flowers! I really would like to collect seeds from her, and I did do some research online, but I want to know what y'all's experiences have been. I did see some small bees on the flowers a few times and I'm hoping it's getting pollinated. Are they self pollinating? I only have one sundew in bloom. I read that I should wait until the pods are 70% dried before harvesting them. When should I plant seeds if I do get some, and in what kind of substrate? Thanks for any info and as always I would love to see YOUR sundews in bloom!! #sundew #threadleavedsundew #carnivorousplants #carnivorousclub #cpclubthursday #happyplants #plantsmakepeoplehappy #plantaddict #planttherapy #blooming #blooms #seeds #propagation #theamigos #jesssjungle #outdoorgrowing
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How much is too much? Put my Sundew outside for sunbathing and they managed to trap lots of flies (my backyard have so many flies and fruit flies, this is why i try to get more carnivorous plants to reduce their number) Hopefully they gonna be ok #carnivorousplants #drosera #droseraadelae
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Carnivorous care experts!! I just purchased my first carnivorous plant! Super excited but very nervous. I was hoping for literally any advice/ tips on care for her. Is a humidifier necessary or is keeping her soil moist enough for her to do well #CarnivorousPlants #CarnivorousClub
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Why isn’t my sundew producing nectar anymore? She lives under a grow light in a terrarium with moss. She used to be super sticky (so much so that I was worried about the amount of bugs she was catching), but recently she’s not producing any!! For the last 2 weeks I’ve tried to mist the terrarium and keep the lid shut a lot longer (for humidity), but it doesn’t seem to be helping. Any ideas? #PlantsMakePeopleHappy #CarnivorousPlants #CarnivorousClub #cpclubthursday #Sundew #PlantAddict
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My sundew caught its first little fungus gnat! Couldn't be prouder if my 1 year old toddler started walking (she hasn't yet 😅) #CarnivorousPlants #CarnivorousClub #Sundew
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So I just got this little guy from the farmers market. Any tips on how to give her a good start? #CapeSundew
Care Summary for Thread-Leaved Sundew
Thread-Leaved Sundew
Greg recommends:

0.5 cups every 7 days

< 1ft from a window

Repot after 2x growth
Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.
