Eichhornia crassipes
About Eichhornia crassipes
Eichhornia crassipes is a relatively rare houseplant 🌿 that is a fun challenge to grow and needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.
Eichhornia crassipes likes soil that is good at retaining moisture. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.
Eichhornia crassipes belongs to the Pontederia genus, and is native to South Tropical America.
Taxonomy
Pontederia crassipes
Pontederia
Pontederiaceae
Commelinales
Also known as
Eichhornia crassipes, Water Hyacinth, common water hyacinth, Pontederia, Oshunae and Eichhornia crassipes
How to care for Eichhornia crassipes
Water
How often to water your Eichhornia crassipes
every 9
Eichhornia crassipes needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Portland, Oregon.
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
9
Light
Check the growing potential in your area
A plant's growing potential is determined from its location, the time of year, and current local weather.
Portland, Oregon
25% Very Low
Growing Eichhornia crassipes in Portland right now
Plant growth potential is currently very low 📉
January 28th, 2023
Sunlight intensity as measured by “net radiation” in Portland is currently very low 📉.
The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in det…
Sunlight will increase by 46.4% ☀️
January 28th, 2023
Portland is trending towards greater sunlight intensity!
The amount of sunlight in Portland is expected to increase by 46.4% over the next 2 weeks to an average of 8.1 megajoules of energy per m2 …
Daylight will increase by 1.2 hours 📈
January 27th, 2023
This month, Portland is getting an average of 7.2 hours of clear sky sunlight per day.
Hours of daylight will increase by 13.7% over the next two weeks. Your plants will get 9.9 total hours of day…
Finding light for Eichhornia crassipes in your home
a window
Eichhornia crassipes love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to ensure it receives enough light to survive during this time of reduced sunlight intensity in Portland, Oregon ⛅.
Eichhornia crassipes does not tolerate low-light 🚫.
Nutrients
How to fertilize Eichhornia crassipes
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 Eichhornia crassipes after it doubles in size or once a year—whichever comes first.
When to repot Eichhornia crassipes
Is this a good time of year to repot? No ⏳
January 24th, 2023
The growing potential in Portland is very low 📉.
Repotting in late fall or winter when the day lengths are shorter can be very stressful for a plant and cause it to go into shock.
It's best to…
FAQs
Eichhornia crassipes can be challenging to care for, according to some plant parents. Check out the reviews down below to learn from their experiences!
Water Needs
Eichhornia crassipes prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Sunlight Needs
Eichhornia crassipes requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.
Toxicity
Eichhornia crassipes is not known to cause harm to humans or pets. Regardless, if you, a family member, a cat, or dog has ingested any plant material, please consult a doctor or a veterinarian.
Soil
Eichhornia crassipes is very sensitive to dry soil, so choose a potting soil that retains moisture. A good soil will still drain well and contain lots of organic matter such as coco coir or sphagnum moss.
Fertilizer
Eichhornia crassipes should be repotted after it doubles in size or once a year, whichever comes first. Fresh potting soil has all the nutrients your plant needs, so as long as it’s refreshed yearly, you shouldn’t need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!
Growing Outdoors
USDA Hardiness Zone
Eichhornia crassipes can be grown outdoors in USDA Hardiness Zones 9a-11b. Find your local hardiness zone here.
Care Summary for Eichhornia crassipes
Eichhornia crassipes
Greg recommends:
Water
0.5 cups every 9 days
Placement
< 1ft from a window
Nutrients
Repot after 2x growth
Based on your location in Portland, Oregon, the 4” pot your plant is in, and that it doesn’t get direct sunlight.
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