Upland Cotton (Gossypium hirsutum)

Also known as: American Upland Cotton, Golden Cotton, Cotton

Upland Cotton (*Gossypium hirsutum*) is widely cultivated for its valuable cotton fibers. This plant, which can act as an annual or perennial, features sizable yellow to white flowers that bloom in the summer. These blossoms are eventually replaced by cotton bolls, containing fibers and seeds. For optimal growth, Upland Cotton requires full sunlight, receiving at least 6 to 8 hours of direct light each day, and it prefers well-drained sandy loam or loamy soils with a pH range of 5.8 to 8.0.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Upland Cotton

Lifespan

Perennial, Annual

Plant Type

Tree, Shrub

Plant Height

60 cm to 1.5 m

Spread

1.5 m

Leaf Color

Green

Flower Size

2.5 cm to 8 cm

Flower Color

White Yellow Pink Gold

Images of Upland Cotton

Quickly Identify Upland Cotton

Broad palmate leaves with 3-5 lobes and soft hairs.

Creamy white to yellow flowers with red or purple base.

Dry capsule fruit with pointed tip and white fluffy fibers.

Cordate leaves with distinct ovate-triangular lobes and soft texture.

Flower color transformation from whitish/yellow to purplish/red.

Scientific Classification of Upland Cotton

Phylum

Vascular plants

Class

Dicotyledons

Order

Malvales

Family

Mallow

Genus

Cottons

Species

Upland Cotton

Planting and Growing of Upland Cotton

Care Difficulty

Moderate

Watering Schedule

Every 4 days

Sunlight Requirements

Full sun

Sunshine Duration

6-10 hours

Ideal Temperature

70-90℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Upland Cotton?

When watering Gossypium hirsutum, ensure the soil is thoroughly moistened to a depth of at least several inches, which typically requires about 500 ml per watering session. The soil should feel moist, but not waterlogged, signifying the roots have adequate moisture without drowning.

What are the symptoms of an underwatered Upland Cotton? ›

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What are the symptoms of an overwatered Upland Cotton? ›

How to save an overwatered Upland Cotton? ›

What Are the Sunlight Requirements for Upland Cotton?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

Gossypium hirsutum thrives in full to partial sun, ideally at least 6-8 hours of sun per day. Proper lighting ensures robust growth, vibrant foliage, and prolific flowering.

What is the ideal type of sunlight for Gossypium hirsutum? ›

How can I achieve ideal sunlight for this plant? ›

What benefits does ideal sunlight provide? ›

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What Is the Ideal Temperature Range for Upland Cotton?

Ideal Temperature: 70 ~ 90℉

Gossypium hirsutum thrives best in temperatures ranging from 70°F to 90°F. This range facilitates optimal photosynthesis, enabling robust vegetative and reproductive growth. Consistently maintaining these temperature conditions ensures stronger fiber development, higher yields, and reduced stress on the plant's physiological processes.

What Soil is Best for Upland Cotton?

Soil type: Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Gossypium hirsutum, commonly known as upland cotton, thrives in well-drained soil to prevent root rot. Good drainage ensures that excess water can escape quickly, which is vital for the plant's health. This plant requires soil enriched with organic matter, as it provides essential nutrients that promote vigorous growth and higher yield. Incorporating compost can enhance soil fertility significantly. Upland cotton benefits from warm soil temperatures which aid in seed germination and growth. Maintaining soil temperature between 15 to 30°C is ideal for this plant.

How to Fertilize Upland Cotton?

Fertilizer type: Balanced

For Gossypium hirsutum, use about a half tablespoon to one tablespoon of liquid fertilizer per gallon of water, making sure to adjust based on plant size and growth stage to ensure optimal nutrition without overfeeding.

How to Prune Upland Cotton?

Pruning Time: Spring, Summer, Autumn

Begin by sterilizing your pruning shears to prevent disease spread. Target dead or diseased branches first, cutting them back to healthy tissue or a main stem. Shape the plant by removing straggly or overly long stems, cutting just above a node to encourage denser growth. Finish by thinning the interior branches slightly to improve air circulation, which helps prevent fungal issues. To enhance flowering, prune after the last frost in early spring. Focus on removing old and non-productive wood, which will help direct energy towards forming flower buds. Trim back to outward-facing buds to ensure a balanced branching pattern and abundant blooms. More About Pruning Techniques→

How to Propagate Upland Cotton plant?

Propagate Time: Early spring, Late spring

Before planting seeds or cuttings, prepare a growing medium with equal parts perlite, peat moss, and vermiculite. This mix offers excellent drainage and aeration, which is critical for healthy root development.

If using seeds, soak them in water for 12 hours prior to planting to soften the seed coat. Plant them in a pre-prepared medium at a depth twice their size and water gently to avoid disturbance.

Select healthy stem cuttings, at least 10 cm long, with several live nodes. Make an angled cut just below a node and dip in rooting hormone before planting in the prepared growing medium.

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How to Repot Upland Cotton plant?

Repotting frequency: Once every 2 years

Gossypium hirsutum signals it's time to repot when roots start protruding from the drainage holes, hinting at being root-bound. Additionally, slowed growth and water pooling on the soil's surface are also key indicators. Spring and early summer, during active growth phases, are ideal repotting times.

Selecting the right pot for Gossypium hirsutum involves ensuring proper drainage and appropriate size. Opt for a pot that's slightly larger than the current one to avoid excess soil moisture. A pot with drainage holes prevents waterlogging, which is crucial for healthy root development.

A loamy, well-draining soil ensures Gossypium hirsutum has the balanced nutrients it needs without the risk of root rot. Such soil mimics the plant's natural habitat, effectively supporting robust growth and preventing overwatering risks.

Toxicity of Upland Cotton

Is Upland Cotton toxic to humans?

Upland Cotton exhibits a moderate degree of toxicity in humans, predominantly via ingestion. The entire plant contains the harmful compound gossypol, which can induce poisoning if consumed. When individuals consume parts of Upland Cotton, they might experience symptoms like nausea, vomiting, diarrhea, weakness, and respiratory difficulties. The intensity of these symptoms can vary based on the quantity of plant material ingested. It is crucial for individuals to prevent any accidental consumption of Upland Cotton, as every part of the plant can potentially result in negative health consequences.

Is Upland Cotton toxic to cat?

Upland Cotton presents a moderate toxicity risk to felines when ingested. Cats may inadvertently consume portions of upland Cotton and experience poisoning as a result of gossypol found throughout the plant. After ingestion, affected cats may show symptoms of physical discomfort, including digestive disturbances. Given the potential for health complications, it is vital for pet owners to vigilantly observe their cats for any signs of distress. Should a cat exhibit any negative reactions after exposure to upland Cotton, it is imperative to seek prompt veterinary assistance for the well-being of the animal.

Is Upland Cotton toxic to dog?

The plant species known as upland Cotton is recognized for its moderate toxicity level concerning dogs. Canines may accidentally consume various parts of this plant, resulting in potential poisoning. Every part of the plant is toxic, indicating that ingestion of any portion carries a risk. Dogs that have consumed upland Cotton could display symptoms like vomiting, diarrhea, lethargy, and possibly more severe reactions depending on the quantity ingested. The toxic compound that triggers these symptoms is gossypol. If you believe your dog has eaten upland Cotton, it is crucial to seek immediate veterinary attention to secure the best possible outcome for your pet.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.

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