Plant Identifier
Hemp

Hemp

Cannabis sativa

Family: CannabaceaeNative: Central AsiaIdentified: Sep 14, 2026

An upright herbaceous annual with distinct palmately compound leaves featuring serrated leaflets and a central stem.

Light
Full sun, requiring 6 to 8 hours of direct sunlight per day.
Water
Water deeply when the soil is dry to the touch about 2 to 3 centimeters deep. Avoid waterlogging, as standing water damages the root system.
Growth
Herbaceous annual with an upright, branching growth form, reaching a mature height of 1 to 4 meters and a spread of about 1 meter, with a rapid growth rate.
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Care instructions

Provide full sunlight for at least 6 to 8 hours daily. Water thoroughly when the top few centimeters of soil dry out. Use well-draining, nutrient-rich soil and apply a balanced fertilizer during the active growing phase.

Growing details

Sunlight

Full sun, requiring 6 to 8 hours of direct sunlight per day.

Watering

Water deeply when the soil is dry to the touch about 2 to 3 centimeters deep. Avoid waterlogging, as standing water damages the root system.

Soil

Well-draining loamy or sandy loam soil with a slightly acidic to neutral pH range of 6.0 to 7.0.

Hardiness zone

USDA Hardiness Zones 2 through 10 when cultivated as a seasonal annual outdoors.

Growth habit

Herbaceous annual with an upright, branching growth form, reaching a mature height of 1 to 4 meters and a spread of about 1 meter, with a rapid growth rate.

Bloom season

Late summer to autumn, producing small, inconspicuous greenish flowers arranged in clusters.

Propagation

Propagated primarily from seeds sown in spring or through stem cuttings taken from vegetative mother plants.

Common pests & issues

Susceptible to fungal infections such as powdery mildew in humid conditions, and pests like spider mites and aphids, which can be managed by maintaining proper airflow and humidity.

Similar species

Japanese maple (Acer palmatum), which can be distinguished by its woody perennial tree habit and opposite leaf arrangement compared to the alternate, herbaceous nature of this species.