Smooth crabgrass (Digitaria ischaemum)
Also known as: Smooth Summergrass, Smooth Crab Grass, Small crabgrass
White clover is a weed frequently seen in yards and turf areas. This low-growing plant mainly spreads through seeds. While it is commonly present in lawns, white clover is not as invasive as some other weed species.
In This Article
Attributes of Smooth crabgrass
Lifespan
Annual, Biennial
Plant Type
Grass
Plant Height
15 cm to 46 cm
Spread
15 cm to 45 cm
Leaf Color
Green
Flower Size
2.5 cm
Flower Color
Green Yellow Purple Brown
Images of Smooth crabgrass
Quickly Identify Smooth crabgrass
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Prostrate, clump-forming growth habit with rooting leaf nodes.
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Small, egg-shaped spikelets in flower clusters on stem ends.
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Distinct color evolution of fruit from green to dark brown/black.
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Flat leaves up to 4 inches (10 cm) long with smooth texture.
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Slender stems ranging from light green to purple, occasionally flattened.
Scientific Classification of Smooth crabgrass
Phylum
Vascular plants
Class
Monocotyledons
Order
Poales
Family
Grass
Genus
Crabgrasses
Species
Smooth crabgrass
Planting and Growing of Smooth crabgrass
Care Difficulty
Easy
Watering Schedule
Every 4 days
Sunlight Requirements
Full sun
Sunshine Duration
4-8 hours
Ideal Temperature
75-85℉
Soil Type
Potting Mix, Peat Mix
Soil pH
6-7.5
Fertilizer Type
Balanced
Pruning Season
Spring, Summer
Pruning Area
Branches, Leaves
Pruning Frequency
2 times a year
Repotting Season
Spring
Pot Type
Ceramic, Plastic
How to Water Smooth crabgrass?
The watering amount for Digitaria ischaemum should sufficiently moisten the soil to a depth of around 3 inches. However, it’s crucial to allow the top layer of soil to dry out between waterings to prevent root rot. A deep and thorough watering, allowing the soil to absorb the moisture slowly, is ideal for maintaining healthy growth.
What are the symptoms of an underwatered Smooth crabgrass?
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What should I do if my Smooth crabgrass is not getting enough water?
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What are the symptoms of an overwatered Smooth crabgrass?
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How to save an overwatered Smooth crabgrass?
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What Are the Sunlight Requirements for Smooth crabgrass?
Digitaria ischaemum flourishes under full to partial sunlight, benefiting from an ideal sun exposure of 6-8 hours daily. This light range promotes healthy leaf formation and robust root development, essential for vigorous growth.
How much light does Digitaria ischaemum need?
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What if it doesn't get enough light?
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How to ensure ideal lighting?
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What Is the Ideal Temperature Range for Smooth crabgrass?
For Digitaria ischaemum, the ideal temperature range is between 75°F and 85°F. Within this range, the plant can effectively carry out its metabolic processes, resulting in optimal growth and health. It ensures that the enzymatic activities crucial for nutrient uptake and photosynthesis are functioning efficiently, providing a robust environment for the plant.
What Soil is Best for Smooth crabgrass?
Digitaria ischaemum thrives in well-drained soil, enabling it to avoid waterlogging. This is crucial as excess water can stifle root growth and lead to rot, ultimately benefiting the plant by promoting robust root development and healthier growth. For optimal growth, nutrient-rich soil is essential, providing the necessary minerals and elements. Ensuring such soil supports vigorous plant growth, resulting in lush, verdant turf perfect for erosion control and wildlife habitats. Maintaining moderate moisture levels is key. While drought-tolerant, consistent moisture during its growth phase boosts vitality and grass density, enhancing its appearance and utility as a ground cover.
How to Fertilize Smooth crabgrass?
For Digitaria ischaemum, it's important to provide a balanced amount of nutrients without overdoing it. Liquid fertilizers should be diluted to half strength before application. Utilize approximately 1-2 teaspoons per gallon of water for a thorough but gentle nourishment.
How to Prune Smooth crabgrass?
Start by identifying the areas of the plant that show excessive growth or any damaged parts. Use sharp gardening shears to cut back these areas to manage its growth. Aim to remove around one-third of the plant, focusing on maintaining a neat shape and allowing sunlight to reach the lower parts of the grass. Regular pruning helps to keep the plant looking tidy and prevents it from invading nearby areas.
How to Propagate Smooth crabgrass plant?
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To begin with, select a nutrient-rich potting mix that facilitates drainage. Loam-based compost with a mix of sand is ideal for nurturing young grass seedlings, enhancing root establishment.
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Evenly distribute the Digitaria ischaemum seeds over the prepared soil in trays. Gently press them into the soil surface without covering them completely to allow light penetration necessary for germination.
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Keep the soil consistently moist by spraying gently, avoiding waterlogging. It is vital to maintain a balance, as excessive water can lead to fungal issues or seed displacement.
How to Repot Smooth crabgrass plant?
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Repotting Digitaria ischaemum is essential when you notice stunted growth, roots growing through the pot's drainage holes, or a significant decrease in soil quality. These are all clear indicators that the plant has outgrown its current container. Spring or early summer is the best time, as the plant is actively growing and can quickly establish itself in its new environment.
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Select a pot that is 1-2 inches larger in diameter than its current one. Ensure it has several drainage holes to prevent waterlogging, which is crucial for maintaining the plant's health. The new pot should not be dramatically larger, as excess soil may retain too much water, potentially leading to root rot.
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Use a loamy, well-draining soil mix. This type of soil ensures proper aeration and drainage, crucial for preventing water accumulation around the roots. The balance between moisture retention and drainage helps the plant access enough nutrients while keeping the root system healthy and thriving.
