Dr Forest
Organic Liquid Veg & Bloom Bundle UK | EM-1 Fermented
Organic Liquid Veg & Bloom Bundle UK | EM-1 Fermented
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Veg & Bloom Booster Bundle — living fermented supplements for the full crop cycle
Two handcrafted fermented fertilisers — one for vegetative growth, one for flowering and fruiting — designed to work as a pair across the entire crop cycle. Both are fermented with the same EM-1 beneficial microbe culture, maintaining biological continuity in the root zone from transplanting to harvest. Both contain in-house grown aloe vera and humic acid. The difference is what feeds the plant at each stage.
How the system works
Veg Booster — transplant to first flower buds
- Nitrogen-rich for leaf expansion, stem development, and root establishment
- Mealworm frass — nitrogen + chitin for immune defence priming
- Worm castings — beneficial microbes and humic substances
- Scottish seaweed — natural cytokinins and auxins for cell division
- Aloe vera, humic acid, EM-1 culture
Bloom Booster — first flower buds to harvest
- Zero nitrogen — phosphorus and potassium for flowering and fruiting without pushing leaf growth
- Micronised rock phosphate — fermented for 3+ months into plant-available P
- Sulphate of potash + potassium mineral — dual K for fruit quality and sugar transport
- Organic banana peel — potassium and organic acids
- Aloe vera, humic acid, EM-1 culture
- Zero nitrogen means you can apply right through to harvest
The transition point is simple: use Veg Booster weekly until you see flower buds forming, then switch to Bloom Booster weekly for the rest of the season. Both products use the same dilution rates, the same application methods, and the same EM-1 culture — the only thing that changes is the bottle.
Both the Veg and Bloom Boosters are designed to be used alongside a base Dr Forest fertiliser — not as replacements. Use them as weekly additions to your existing feeding programme to add beneficial microbes, biostimulants, and stage-specific nutrition on top of your base NPK.
Both products are fermented by hand in small batches at our workshop in Stockport, Greater Manchester. The aloe vera is grown organically in-house at Dr Forest HQ. Each batch takes a minimum of 14 weeks to produce. Supplied in recycled plastic bottles.
What's inside: ingredients & fermentation process
Shared foundation
Both products share the same biological foundation: Dr Higa's EM-1 (Effective Microorganisms — phototrophic bacteria, lactic acid bacteria, yeasts, actinomycetes, beneficial fungi), aloe vera (grown in-house, contains salicylic acid and saponins), humic acid (chelator and microbial food), molasses (microbial energy source), and Supa Cera C powder (EM ceramic). Both undergo the same two-stage fermentation: 3+ months anaerobic mineral/organic extraction, then 2 weeks EM-1 activation at 25°C+.
Veg Booster — Unique Ingredients
Mealworm frass: nitrogen, phosphorus, potassium, and chitin. The chitin triggers chitinase enzyme production in plants, priming immune defences against fungal pathogens and root-feeding insects. Worm castings: rich in humic substances, beneficial microorganisms, and plant growth hormones — fermented to extract these compounds into solution. Scottish seaweed: natural cytokinins, auxins, alginates, and mannitol — plant growth hormones that promote cell division, root initiation, and stress tolerance. British-sourced from the Scottish coastline.
Bloom Booster — Unique Ingredients
Micronised rock phosphate: natural phosphorus source dissolved through 3+ months of anaerobic fermentation into plant-available forms — the energy currency that flowering demands. Sulphate of potash: chloride-free, fast-acting potassium for sugar transport and fruit quality. Potassium mineral: slow-release potassium for sustained background supply. Organic banana peel: potassium-rich organic matter fermented with the EM-1 culture, also contributing phosphorus and organic acids. The Bloom Booster contains zero nitrogen — deliberately, so it can be used right through late bloom to harvest.
Why the Pair Works Better Than Either Alone
Plants have fundamentally different nutritional needs during vegetative growth and reproductive development. During the veg phase, nitrogen drives leaf expansion and stem development — the solar panels and plumbing the plant needs before it can produce fruit. During flowering, excess nitrogen diverts energy away from reproduction and delays ripening. By switching from a nitrogen-rich Veg Booster to a zero-nitrogen Bloom Booster at the right moment, you match the supplement to the plant's actual demand at each stage. The shared EM-1 culture maintains biological continuity — the same beneficial organisms colonise and persist in the root zone throughout the entire crop cycle.
Living Fermentation vs Sterile Fertiliser
Both products arrive containing active, living microorganisms. Conventional liquid fertilisers are sterile chemical solutions — they feed the plant but do nothing for the soil biology. These fermented supplements inoculate the root zone with beneficial bacteria, yeasts, and fungi while simultaneously delivering mineral nutrition and biostimulant compounds. Each weekly application reinforces the microbial workforce in the soil, building disease suppression, nutrient cycling, and organic matter breakdown capacity over the season.
How to use: the full-season fermented programme
Veg Booster and Bloom Booster use identical dilution rates and application methods. The only thing that changes when you switch is the bottle.
Application rates — both products
Foliar spray
Strain through a fine sieve or muslin before adding to a sprayer. Apply as a fine mist to both leaf surfaces in early morning or late evening.
Root drench
Dilute and pour directly around the root zone. This is the preferred method for delivering the beneficial microorganisms to the soil. No straining required for watering can application.
The seasonal programme
Phase 1 — Vegetative growth (Veg Booster)
Apply Veg Booster weekly alongside your base fertiliser (Veg 4-4-4, All-Purpose 6-6-6, or crop-specific). The nitrogen, chitin, and seaweed hormones support rapid leaf and root development. The EM-1 culture begins colonising the root zone from the first application.
Phase 2 — Flowering and fruiting (Bloom Booster)
Switch to Bloom Booster weekly alongside your base fertiliser. The zero-nitrogen formula delivers phosphorus and potassium for flowering and fruit development without pushing unwanted leaf growth. Because it contains no nitrogen, you can continue applying right through to harvest — no need to stop early. The same EM-1 culture is maintained in the root zone, ensuring biological continuity.
The sour, yeasty odour is completely normal and indicates active microbial cultures. It dissipates rapidly after dilution. Shake both bottles vigorously before each use.
Base feed: Dr Forest granular fertiliser (Veg 4-4-4, Tomato 3-4-6, Rose 5-3-5, etc.) applied as directed. Weekly supplement: Veg Booster during vegetative growth → Bloom Booster from flowering onwards. Fortnightly biostimulant: Add Seaweed Powder for additional growth hormones and alginates. Fruiting calcium: Add Cal-Mino chelated calcium from fruit set onwards. This four-layer system covers mineral nutrition, living biology, biostimulants, and calcium delivery across the entire crop cycle.
Frequently asked questions
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