

Plagron Seedbooster Plus
- Starter feed
- Suited to propagation, potting or root stress
- Adjust to light
Quick facts
- Type
- Propagation fertilizer
- Substrates
- Propagation media and Seedling media
- Dosage
- 7 drops/L
- Frequency
- During germination
- Skill level
- Intermediate
- pH/EC
- No
VAT included · plus
Please note: Most fertilizers ship separately from plants. A separate shipping fee may apply, and the final cost is calculated at checkout by order weight. Free shipping does not apply.
Plagron Seedbooster Plus is for the first stage of seedling growth. It is a starter product, not something an established houseplant needs in a normal feeding plan.
The first growth stage
It suits germination and early seedling development where a very specific starter product is more relevant than general houseplant feed. Treat it as a temporary propagation tool.
Move on when growth matures
Once seedlings are rooted, growing and ready for a stronger plan, switch to the base nutrient that matches the medium. Seedbooster Plus is for the beginning, not the full life of the plant.
Most fertilizers and additives are packed and shipped separately from plants.
Because of this, they may have their own shipping charge. Your final delivery cost is shown at checkout and is calculated by the total weight of your order.
Free shipping does not apply to fertilizer and additive products.
- Fertilizer choice guide: Compare liquid, slow-release, organic, and mineral fertilizers, read NPK labels, and match feeding to your plant’s substrate and light.
- Beginner fertilizing routine: Learn the basics of nutrients, safe dilution, feeding timing, flushing, and how to avoid burning houseplant roots.
- Semi-hydro fertilizing: Feed plants in LECA, pon, pumice, and reservoir setups with better control over nutrients, EC, pH, top-ups, and salt resets.
Please head to our FAQ Page or Contact us.
What's inside:
- NPK Ratio: NPK 5-4-7
- Nutrient basis: Mineral





