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Grey Mould

Hemp Prone to Grey Mould: How to Protect

Cannabis sativa

Susceptibility: High Difficulty: Medium

Grey Mould on Hemp: What to Know?

Grey Mould on Hemp (Cannabis sativa) is a fungal condition with moderate severity. Hemp has high susceptibility to this disease.

Hemp is a medium-care plant. As an indoor plant, ensure good ventilation to aid recovery.

Hemp is highly susceptible to Grey Mould, unlike most plants in the same family. Unlike bacterial infections, Grey Mould on Hemp can be managed with organic fungicides. Without precautions, chemical treatments for Grey Mould can be harmful to pets. Use organic methods for Hemp in pet-friendly homes.

ðŸŒą How to Care for Hemp to Prevent Grey Mould?

💧 How to Water

Water deeply every 2-3 days when the top 2-3 cm of soil feels dry. During flowering, reduce frequency slightly to prevent bud rot. Never let the plant sit in waterlogged soil.

☀ïļ Lighting

Requires full sun — at least 6 hours of direct sunlight per day outdoors. Indoors, provide 18 hours of light during vegetative stage and 12 hours during flowering.

ðŸŠī Ideal Soil

Use well-draining loamy soil rich in organic matter. Amend with perlite for better drainage. Avoid compacted or heavy clay soils that retain too much moisture.

Frequently asked questions

Can Grey Mould kill my Hemp?
Rarely, Grey Mould is usually not fatal to Hemp. Early detection and treatment are key.
Is Grey Mould contagious to other plants near Hemp?
Yes, Grey Mould can spread to nearby plants. Isolate the affected Hemp immediately.
See more: Hemp → See more: Grey Mould →

Sources & References