Marijuana (Cannabis sativa)

Also known as: Hemp, Marijuana

Cannabis sativa, commonly known as marijuana, has been cultivated for centuries for a range of applications. Historically, it has been grown for:

1. **Medicinal Applications**: Valued in traditional medicine for its pain-relieving and anti-inflammatory properties.
2. **Recreational Consumption**: Used for its psychoactive effects to alter mood and perception.
3. **Industrial Uses**: Hemp fibers from the plant have been employed in the production of textiles, ropes, and paper.
4. **Nutritional Purposes**: Hemp seeds, rich in protein and essential fatty acids, serve as a nutritious food source.
5. **Spiritual and Religious Practices**: Incorporated into various rituals and religious ceremonies.

Both male and female plants exist, with females being particularly noted for their oil production. These varied uses underscore the plant's significant role in different cultures and industries over time.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Marijuana

Lifespan

Annual

Plant Type

Herb

Plant Height

1 m to 3 m

Spread

80 cm

Leaf Color

Green Yellow White

Flower Size

2.5 cm

Flower Color

White Green

Images of Marijuana

Quickly Identify Marijuana

Cannabis sativa can be identified by its palmate leaves with serrated edges, typically having narrow leaflets. The plant can grow quite tall and has a distinct fibrous stem. Its flowers are small and clustered, with male flowers being more elongated than the female ones.

Scientific Classification of Marijuana

Phylum

Vascular plants

Class

Dicotyledons

Order

Roses, elms, figs, and allies

Family

Hemp

Genus

Hemp

Species

Marijuana

Planting and Growing of Marijuana

Care Difficulty

Moderate

Watering Schedule

Every 4 days

Sunlight Requirements

Full sun

Sunshine Duration

4-6 hours

Ideal Temperature

68-77℉

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

Terracotta, Plastic

How to Water Marijuana?

For Cannabis sativa, the key to watering is to ensure the soil is thoroughly moist without becoming waterlogged. Aim for a watering amount where the soil is uniformly damp, about 500 milliliters for a medium-sized pot. This ensures the roots get enough moisture without drowning.

What are the symptoms of an underwatered Marijuana? ›

What should I do if my Marijuana is not getting enough water? ›

What are the symptoms of an overwatered Marijuana? ›

How to save an overwatered Marijuana? ›

What Are the Sunlight Requirements for Marijuana?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 8 to 12 hours

Cannabis sativa thrives best in full to partial sun conditions. Proper light exposure promotes optimal photosynthesis, fostering health, ensuring strong structure, and maximizing cannabinoid concentration.

Ideal Sunlight Duration ›

Solution for Ideal Lighting ›

Benefits of Ideal Lighting ›

What Is the Ideal Temperature Range for Marijuana?

Ideal Temperature: 68 ~ 77℉

Maintaining the ideal temperature range of 68 to 77°F ensures optimal growth and productivity for Cannabis sativa. This range allows for proper photosynthesis, ensuring the plant can uptake nutrients efficiently. Too far outside of this range may stress the plant, leading to stunted growth or other physiological disorders.

What Soil is Best for Marijuana?

Soil type: Loam, Sandy loam

Soil PH: 6 ~ 7.5

Cannabis sativa thrives in soil that ensures adequate drainage. This prevents root rot and allows for better nutrient uptake, leading to healthier and more robust plants. Rich in organic matter, the soil should contain essential nutrients like nitrogen, phosphorus, and potassium. This fosters optimal plant growth and enhances yield quality. Soil must be well-aerated to provide roots with enough oxygen. This promotes healthy root development and enhances water and nutrient absorption efficiency.

How to Fertilize Marijuana?

Fertilizer type: Balanced

For Cannabis sativa, a balanced fertilizer with N-P-K (Nitrogen, Phosphorus, Potassium) ratio of 10-10-10 is ideal. During the vegetative stage, use 1 teaspoon per gallon of water for liquid fertilizers. In flowering, shift to a 5-10-10 ratio with 1 tablespoon per gallon to promote blooming.

How to Prune Marijuana?

Pruning Time: Spring, Summer

Topping involves cutting off the top part of the plant to encourage lateral growth and more bud sites. To top your Cannabis sativa, wait until the plant has developed several nodes, then snip the top just above the node using sterilized scissors. Fimming is similar but involves cutting about 75% of the new growth, which can produce multiple new branches and enhance the plant's bushiness. Both techniques encourage the plant to grow wider rather than taller, increasing light exposure to lower buds. This technique involves removing the lower leaves and buds which receive little light. The idea is to focus the plant's energy on the top part, where the buds receive optimal sunlight, improving their size and quality. Begin lollipopping a few weeks into the flowering stage by carefully trimming away the lower foliage and small buds using clean scissors. This technique also helps improve airflow at the base of the plant, reducing the risk of mold and pests.

How to Propagate Marijuana plant?

Propagate Time: Spring,Early summer

Select a healthy, disease-free parent plant. Use sterile pruning shears to cut a 4-6 inch stem with a few leaf nodes. Remove the lower leaves to facilitate rooting.

Dip the cut end of the stem into water, then into rooting hormone. This encourages faster rooting and helps prevent decay of the cutting during the early stages.

Insert the cutting into a moist, well-draining growing medium like peat moss or a perlite mix. Ensure only the bare stem is buried and the leaves are above the surface.

How to Repot Marijuana plant?

Repotting frequency: Every 1-2 years

Cannabis sativa typically requires repotting when you notice roots poking through the pot's drainage holes or if growth appears stunted. Another signal is if the plant's soil dries out too quickly. Ideally, aim to repot during its active growing season, which is in spring or summer. Observing these cues ensures the plant remains healthy and vigorous.

Select a pot that is slightly larger than the current one. Ensure it has drainage holes to prevent waterlogging, which can lead to root rot. Use a pot made of breathable material like terracotta for better moisture regulation. A suitable pot supports optimal root growth, enhancing the overall vigor of Cannabis sativa.

Opt for a well-draining soil mix, ideally one designed specifically for cannabis. The mix should be light and airy with components like perlite or vermiculite to improve drainage. This soil provides better aeration for the roots, reducing the risk of compaction and enhancing nutrient uptake.

Toxicity of Marijuana

Is Marijuana toxic to humans?

The act of smoking or consuming marijuana can induce intoxication, fatigue, diminished cognitive abilities, and hindered performance in complex tasks like driving. Elevated doses may provoke feelings of paranoia, episodes of panic, depressive moods, confusion, nausea, and hallucinations. If children unintentionally ingest this plant or products derived from it, it can result in severe toxicity that necessitates hospitalization and significant medical intervention. Poisoning symptoms in children are likely to manifest as fatigue, impaired balance and coordination, alterations in speech, and an increased heart rate. Accidental ingestion of marijuana products is most prevalent in households where these substances are present.

Is Marijuana toxic to cat?

The THC found in marijuana (Cannabis sativa) poses moderate to severe toxicity risks for cats, regardless of whether it is inhaled or consumed. Signs of intoxication may include glassy eyes, enlarged pupils, unsteadiness while walking, excessive drooling, and vomiting. Although deaths are rare, instances of comas and seizures can occur, necessitating veterinary intervention in serious situations.

Is Marijuana toxic to dog?

If you think your dog has consumed marijuana, it is wise to reach out to your veterinarian; significant ingestion can pose a serious risk to their health. The impact of this plant is heightened and typically more harmful to dogs due to their greater number of cannabinoid receptors. Signs of intoxication include enlarged pupils, excessive drooling, vomiting, and heightened activity levels. Additionally, your dog might appear unsteady and lack coordination, potentially leading to urinary incontinence. In cases of substantial ingestion, tremors, seizures, and even coma may occur.

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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