Raspberry Care Sheet

Best Type of Soil: Loamy soil with good drainage is ideal for raspberries. Loam retains nutrients and moisture while allowing adequate air circulation around the roots.
Soil Amendments: Organic matter such as compost can improve soil structure, moisture retention, and nutrient availability.


Our Recommendation:

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Happy Frog has enough nutrients to start and is very well balanced according to our lab tests. The worm castings will add a more of a silty texture that stays moist longer and gives the plant access to more nutrients to be broken down from the mycorrhizae in the Happy Frog Soil.

Target PPM (Nutrient Level):
Ideal PPM Range: A general range of 300-500 ppm is suitable for soil-grown raspberries, while hydroponic setups may require nutrient solutions with a ppm of 600-1000. Since they are bushes and their fruits are small, they only need to be fed nutrient once every 2-3 months.

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NPK Ratio (Vegetative and Bloom Phases):
Vegetative Phase: An NPK ratio around 2-1-2 provides balanced nutrients for leaf, root and shoot growth.
Bloom/Fruiting Phase: Transition to a lower nitrogen ratio, such as 1-1-3 to support flower and fruit production.

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The general hydroponics trio gives you plenty of options to create a vegetative or bloom juice to modify your target NPK.

pH Range:
Vegetative and Bloom Phases: Raspberries prefer slightly acidic soil with a pH between 5.5 and 6.5. Maintaining this range helps optimize nutrient uptake and plant health.

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Optimal Light Intensity: Raspberries perform best with full sun exposure, ideally around 6-8 hours of direct sunlight per day. For controlled environments, a PPFD (Photosynthetic Photon Flux Density) of around 600-800 µmol/m²/s is recommended.

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Temperature Range:
Vegetative Phase: Raspberries thrive in daytime temperatures of 59-75°F (15-24°C) with slightly cooler nights.
Bloom/Fruiting Phase: A range of 70-80°F (21-27°C) encourages healthy fruit set and ripening.

Humidity Settings:
Vegetative Phase: Relative humidity between 50-70% is generally beneficial, providing sufficient moisture without encouraging disease.
Bloom/Fruiting Phase: Lower humidity (around 40-50%) helps prevent fungal diseases on fruits, especially in more humid regions.

Additional Tips for High-Quality Raspberry Production:

  • Mulching: Apply a layer of organic mulch (like wood chips or straw) to help retain moisture, regulate soil temperature, and reduce weeds.
  • Pruning: Prune canes after fruiting to promote airflow and reduce disease risk, as well as to encourage new growth for the following season.
  • Support Structures: Raspberries benefit from trellising, which keeps canes upright, improves airflow, and makes harvesting easier.
  • Irrigation: Raspberries have shallow roots, so consistent moisture is essential. Drip irrigation is ideal for maintaining even moisture without waterlogging.

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