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Spotless watermeal
Spotless watermeal
Spotless watermeal
Spotless watermeal
Spotless watermeal
Spotless watermeal
Wolffia arrhiza
Also known as : Least duckweed
Hardiness Zones
Hardiness Zones
10 to 11
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Key Facts About Spotless watermeal

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Attributes of Spotless watermeal

Lifespan
Perennial
Plant Type
Herb
Bloom Time
Spring, Summer
Leaf type
Evergreen
Ideal Temperature
20 - 38 ℃

Scientific Classification of Spotless watermeal

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distribution

Distribution of Spotless watermeal

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Distribution Map of Spotless watermeal

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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Questions About Spotless watermeal

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Watering Watering Watering
Sunlight Sunlight Sunlight
What is the best way to water my Spotless watermeal?
There are plenty of viable ways to supply your Spotless watermeal with water. If you grow your plant in an indoor pot, for the Spotless watermeals in small pots, you can bring your potted plant to your kitchen sink. Then, use the faucet to add water to the container. By holding the pot in your hands, you should easily notice when the water begins to run through the pot’s drainage holes, at which point you can stop watering. The cold temperature will hurt the plants' root system, so please don't do this during winter or in cold climates. Most of the time, watering via your faucet is permissible for the Spotless watermeal. However, if the local tap water contains a high proportion of fluorine, chlorine or salts, you should consider using rainwater or lake water. Also, since the Spotless watermeal can respond well to overhead watering and watering directly into the soil, you can use a watering can, hose, or just about any tool you’d like to water it.
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What should I do if I water my Spotless watermeal too much or too little?
If you discover that you have underwatered your Spotless watermeal, your first step towards remedying the situation is to give your plant some water. Water deeply until excess water runs from the container’s drainage hole, or if you grow outside, water until the soil has become entirely moist. If you find your Spotless watermeal is receiving too much water, begin by reducing your watering schedule. You also want to address the soil and container your Spotless watermeal grows in. If either the soil or the container makes it difficult for water to drain efficiently, your plant will likely become overwatered again. Resolve the issue by moving your plant to looser soils and/or a container with bigger drainage holes or a more porous material. Also check the location of the plant. If the plant is in places like a corner, then it is recommended to move it to a window or around a door to enhance ventilation. Making sure the plants are in a well-ventilated location can reduce the occurrence of overwatering to some extent.
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How often should I water my Spotless watermeal?
The Spotless watermeal is not a species that requires consistent soil moisture. Instead, it is better to allow this plant’s soil to become dry between waterings. If you are like the many gardeners who grow Spotless watermeals in containers, you can judge whether or not it is time to add water by how dry the soil within the container is. For instance, if about top half of the soil in your container has become dry, it is time to add water. You can feel it by inserting your fingers or sticks into the soil or with soil moisture meter. For those who grow the Spotless watermeal outdoors, you can plan to do your watering about once every other week, provided it has not rained recently.
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How much water does my Spotless watermeal need?
After waiting for the first several layers of soil surrounding your Spotless watermeal’s root to become dry(top half of the soil), it is time to add enough water to make them moist again. The amount of water it takes to achieve that goal depends on if you use a container, how large that container is, and how large your plant itself is. For a small Spotless watermeal growing in a small to a medium-sized container, one to two cups may be enough to dampen the soil sufficiently. As you would expect, the volume of water you supply should increase for a larger plant. The best way to make sure your plant has received enough water is to stick your finger or a trowel into the soil and feel whether it is entirely moist. Alternatively, you can water until you see excess water draining from the holes at the bottom of your container.
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How can I tell if i'm watering my Spotless watermeal enough?
Overwatering and underwatering are both bad for the health of your Spotless watermeal. These two issues also manifest themselves in subtly different ways when they occur. Spotless watermeal that receives too little water may begin to develop yellow leaves. Underwatering may also cause the leaf margins to become brown and brittle. By contrast, Spotless watermeal that gets overwatered will often show yellow and brown marks on its leaves at the same time. Overwatering can also lead to diseases like root rot, some of which may also be visible on your plant. However, if you know the signs of overwatering and underwatering, you stand a good chance of correcting both issues.
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How should I water my Spotless watermeal through the seasons?
During spring and fall, your watering schedule for the Spotless watermeal will remain relatively the same, which will involve watering this plant about once every week. During summer, you may find that the hot weather causes your plant to need more water than usual, especially if it grows where there is a considerable amount of daily light exposure. In the winter, if it's hard to find some warm places for you plant, your Spotless watermeal will enter a dormant growth phase, in which it will need far less water than usual. At this time, you may get by without watering your plant at all. If you do choose to water during winter, you should not do so more often than once every two to three weeks.
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How should I water my Spotless watermeal at different growth stages?
After planting a new, young Spotless watermeal or after transplanting an older Spotless watermeal, you will probably need to give this plant more water than usual. Young plants often need consistent soil moisture during the early stages of their growth to help them adapt to their new growing locations. Transplants also need more water for a brief time to overcome transplant shock. In either case, you may need to water multiple times per week until your plant has exhibited continuous healthy growth. In most situations, your water should be moderate and should never be significant enough to cause overwatering.
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What's the difference between watering Spotless watermeal indoors and outdoors?
There are a few reasons why you may need to water an indoor Spotless watermeal more often than one that grows in the ground outdoors. First, indoor growing settings tend to be drier than outdoor ones, often due to the effect of air conditioning units. While thw size of the pot and the soil determines the warer accumulating ability. Additionally, when your plant grows indoors, it will rely on you entirely for its water By contrast, Spotless watermeal that grows outside can receive water from rain. If you are in an area with high rainfall, you may not have to give it extra watering. When there is not enough rain, you should water additionally to ensure that the soil does not dry out completely.
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Plants Related to Spotless watermeal

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Arroyo willow
Arroyo willow
Arroyo willow (Salix lasiolepis) is a willow tree native to the western coast of North America. Its pollen is a major source of allergies. Native Americans have traditionally used parts of arroyo willow to make rope and weave baskets.
American Lotus
American Lotus
The american Lotus (Nelumbo lutea) is an aquatic plant with flowers that grow up to 25 cm wide - among the largest flowers in North America. Its round leaves may float on the water's surface or be self-supporting above it if the stalk is large enough. It is an invasive species that can quickly take over wetland habitats.
American licorice
American licorice
Native to temperate parts of western North America, american licorice (Glycyrrhiza lepidota) is an important food source for various animals such as deer, elk, pronghorn, etc. The roots of american licorice are sweet thanks to the peculiar acid called glycyrrhizin. They are not, however, an ingredient in commercial licorice.
Yellow groove bamboo
Yellow groove bamboo
This bamboo grows to an expected height of 9 m with a culm diameter of 4 cm. In areas where the average winter minimum temperature is above -15 ℃, it may grow to a maximum height of 14 m with a diameter of 7 cm. The typical form of this species has dark green culms with a yellow groove.
Yellow Foxtail
Yellow Foxtail
With its self-supporting growth form, the Setaria helvola has simple, broad leaves with white flowers. It's widely known as a common weed that grows in lawns, sidewalks, and other places. It can grow from 20 cm to well over a meter. All of its leaf blades are hairless on the upper surfaces and can measure up to 30 cm long.
Water mint
Water mint
Water mint (Mentha aquatica) is a perennial herb native to Europe and southwest Asia. Water mint is used to make tea. It can also be used to make cologne. The bergamot mint is considered to be a variety of Mentha aquatica.
Poison ivy
Poison ivy
In pop culture, poison ivy is a symbol of an obnoxious weed because, despite its unthreatening looks, it gives a highly unpleasant contact rash to the unfortunate person who touches it. Still, it is commonly eaten by many animals, and the seeds are a favorite with birds. The leaves turn bright red in fall. Its sister species, Western poison ivy (Toxicodendron rydbergii), is not considered to be invasive in the United States, but is noxious in Australia and New Zealand.
Pokeweed
Pokeweed
Although its berries look juicy and tempting, the fruits and the root of pokeweed are toxic and should not be eaten. Pokeweed is considered a pest species by farmers but is nevertheless often grown as an ornamental plant. Its berries can be made into pokeberry ink as well.
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Related Plants
Spotless watermeal
Spotless watermeal
Spotless watermeal
Spotless watermeal
Spotless watermeal
Spotless watermeal
Wolffia arrhiza
Also known as: Least duckweed
Hardiness Zones
Hardiness Zones
10 to 11
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plant_info

Key Facts About Spotless watermeal

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Feedback
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Attributes of Spotless watermeal

Lifespan
Perennial
Plant Type
Herb
Bloom Time
Spring, Summer
Leaf type
Evergreen
Ideal Temperature
20 - 38 ℃
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Scientific Classification of Spotless watermeal

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distribution

Distribution of Spotless watermeal

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Distribution Map of Spotless watermeal

distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
question

Questions About Spotless watermeal

feedback
Feedback
feedback
Watering Watering Watering
Sunlight Sunlight Sunlight
What is the best way to water my Spotless watermeal?
more
What should I do if I water my Spotless watermeal too much or too little?
more
How often should I water my Spotless watermeal?
more
How much water does my Spotless watermeal need?
more
How can I tell if i'm watering my Spotless watermeal enough?
more
How should I water my Spotless watermeal through the seasons?
more
How should I water my Spotless watermeal at different growth stages?
more
What's the difference between watering Spotless watermeal indoors and outdoors?
more
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Plants Related to Spotless watermeal

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