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Yellow wood sorrel (Tight oxalis) is an annual or perennial grass in the family of wooden treats (Oxalidaceae). It looks like a clover, except that the foliage is curved or folded in the center of each sheet. The leaves fall back at night and open again during the day. Its small flowers with five 1/2 inch petalages are bright yellow. It grows 6 to 15 inches high and spreads by rhizomes to form dense carpets.
The factory, originally from North America and Eurasia, is considered grass across the United States
States. It is commonly found in lawns. In light climates, it develops all year round.
Learn to identify the wooden sorrel and quickly remove it from your courtyard before spreading.
Common names | Yellow wooden fix, common yellow oxalis, right yellow torrel, lemon clover, egrette, sheep weeds |
Botanical name | Tight oxalis |
Plant type | Perennial, annual, herbaceous |
Mature size | 6-12’s high |
Soil type | Wet, well drained |
Flowering time | Spring, summer, fall |
Flower color | YELLOW |
Rusticity zones | 5-11 (USDA) |
Native zone | North America, Europe, Asia |
Toxicity | Toxic to dogs and cats |
What is the yellow wood sorrel?
In the United States, the yellow wooden sorrel grows in open woods, meadows, shores of rivers, gardens and poor floors. It is reported as bad grass in most contiguous United States as well as in some parts of Canada.
Warning
The yellow wood arrel is reported as invasive in Kentucky by the Kentucky Exotic Pest Plant Council.
The plant is toxic to dogs, cats and horses.
This bad grass spreads prolific through horizontal stems (runners) and seeds that take root where it touches the ground. The seed pod distributes mature seeds up to 10 feet. The seeds are also stuck garden toolsClothes, pets and other wild animals, transferred to other areas. The seeds take place from the end of summer to the fall. The roots are complex, large -scale and difficult to shoot. The print on the rods of the wooden sorrel breaks the upper part, leaving the root network and giving it a chance to grow back.
Identification of yellow wooden sorrel
Like the clover, the leaves of the yellow wooden sorrel radiate a single point like fingers of a palm in three. The stems, branches and leaf rods have fine hair on it. The plant is formed in thick tufts.
Wooden yellow wood foliage has a bright green color. The small yellow flowers with five petals flourish with mid-damp to die for. The flower is about 1/2 inch in diameter. The plant generally does not grow more than 20 inches. The plant produces small pods of green seeds that look like Gombo; They have about 1/2 to 3/4 inches long.
How to eliminate yellow wooden grass
Yellow wooden dares often torment the lawns and garden beds. There are two ways to get rid of it – manually and with herbicides.
Manual deletion
Cutting the wood into hand in hand requires meticulousness and time because if one of the tiny roots is left behind, the weed will reproduce. Manual elimination often involves digging plants nearby to sift the soil and eliminate the roots of the yellow wooden sorrel that has empiped in neighboring plants.
Herbicides
Post-emerging herbicides work better on this plant. The broad spectrum herbicide glyphosate (sold as the brand) will kill the whole plant, the roots and everything; It is the most effective chemical solution. Other slightly narrow spectrum weed killers will not affect the wooden sorrel.
Warning
Glyphosate kills all plants without discernment, so apply it with the greatest caution. Some gardeners brush the weed killer in hand on the leaves of the grass. If you spray, use a small spray bottle to target the weeds you want to kill. Wait a calm and wind -free day so that the chemical product does not drift on other plants.
If the wooden grass grows in a fresh grass in the fresh season, such as the Bental grass, the Kentucky Bluegrass, the Ray-Grass or the High Fétuque, treat the lawn with a post-emerging herbicide which contains the triclopyr ingredient. Be careful with herbicides because they can have other ingredients.
When processing weeds In the grass in the hot season such as Saint-Augustin grass, buffalo grass or bermudal grass, use a post-emerging herbicide containing the active Fluroxypyr ingredient.
Post-emerging herbicides for controlling yellow wooden sorrel can be applied at any time during the growth season when temperatures do not exceed 85 ° F. The application is possible even in autumn when weeds are prepared for winter. However, the end of spring is the best time to apply the herbicide, because the grass is still small and much easier to kill. It can take several applications to control the yellow wooden dares.
Make sure to follow the instructions on the label when using a herbicide.

The spruce / Mira Norian
How to prevent yellow wood grass
There are three main ways to prevent yellow wooden sorrel:
- Do not let the plant adjust the seeds. Because the yellow wood sorrel flowers and goes out, it also produces seeds at different times. Dig the plants as soon as you see them. Get as much root as possible.
- Maintain a thick and healthy lawn. The yellow wood wave is prosperous in open and fertile soil, which can be a problem in lawns and garden beds, where the soil is favorable to growth. Overvalued all the bare places in your lawn or drop the lawn, because this is where Wood Sherel Weed will find the opportunity to grow.
- Mulse garden beds. A layer of two to three inches of organic mulch Prevents grass from making a house among your perennials or your vegetables. Without sunlight, weed seeds cannot germinate.
None of these methods guarantees that the yellow wooden sorrel will not reappear in your courtyard, because the seeds move through the wind, birds or other animals.
Wood sorrel vs clover
The yellow wood arrel is easily confused with the red or white clover. A distinctive characteristic is that the yellow wooden sorrel has heart -shaped leaves while the red and white clover leaves are in the shape of an oval. In addition, the flowers of the white clover are white and the red clover flowers are dark pink color.
Wooden arrel is also often confused with shamrocksAnother factory of the Clover family generally cultivated as an indoor plant. Another plant which is often confused with the yellow wooden sorrel is Black Medic, an annual summer in fresh season. He has three leaflets and small yellow flowers.
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Is yellow wood arrel an invasive plant?
It is considered invasive to a certain extent. Although the plant is from the United States (most invasive plants are introduced species), it grows quickly and aggressively to the point of stifling other native plants, thus responding to the definition of an invasive plant.
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Can you eat a yellow wood correct?
All parts of the yellow wooden sorrel are edible, but they should only be consumed in very small quantities, because it contains oxalic acid, which has toxic potential. He has a brilliant and tangy flavor. The leaves and flowers can be added to a salad like a decorative touch, and the leaves are also used to make a lemon drink.
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Is yellow wood sorrow for the lawn?
Due to its aggressive growth, the yellow wood sorrel takes care of the whole areas of a lawn, in particular a lawn which is not well maintained. Nourish your lawn, mow high and reset the naked spots to prevent the yellow wooden sorrel from getting foot in your lawn.