Flowering Boosters

Flowering Boosters

Flowering boosters deliver a punch of essential macronutrients such as phosphorus, potassium, calcium, magnesium, natural ingredients, and organic compounds for massive blooms. They’re ingredients which your crops crave during the blooming phase. With products made by market leaders, you’ll ensure that your crops reach their full flowering potential. These formulas also promote the production of natural flavours and sugars for delicious fruits. With our top-quality flowering boosters, you’ll make sure your plants don’t run short of essential nutrients during the most critical time.

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81 products

On sale
CANNA BOOST Accelerator - London GrowCANNA BOOST Accelerator 250ml - London Grow
CANNA
CANNA Boost Accelerator Sale priceFrom £21.45 Regular price£23.95
Advanced Nutrients Overdrive - London GrowAdvanced Nutrients Overdrive 250ml - London Grow
Advanced Nutrients
Advanced Nutrients Overdrive Sale priceFrom £11.95
Advanced Nutrients Big Bud - London GrowAdvanced Nutrients Big Bud 250ml - London Grow
Advanced Nutrients
Advanced Nutrients Big Bud Sale priceFrom £11.95
CANNA PK 13/14 - London GrowCANNA PK 13/14 250ml - London Grow
CANNA
CANNA PK 13/14 Sale priceFrom £4.95
BioBizz Top-Max - London GrowBioBizz Top-Max 500ml - London Grow
Biobizz
BioBizz Top-Max Sale priceFrom £8.95
Advanced Nutrients Big Bud Coco - London GrowAdvanced Nutrients Big Bud Coco 250ml - London Grow
Advanced Nutrients
Advanced Nutrients Big Bud Coco Sale priceFrom £11.95
BioBizz Bio-Heaven - London GrowBioBizz Bio-Heaven 250ml - London Grow
Biobizz
BioBizz Bio-Heaven Sale priceFrom £21.95
BioBizz Acti-Vera - London GrowBioBizz Acti-Vera 250ml - London Grow
Biobizz
BioBizz Acti-Vera Sale priceFrom £6.95
On sale
Shogun SUMO Boost - London GrowShogun SUMO Boost 250ml - London Grow
Shogun
Shogun SUMO Boost Sale priceFrom £13.45 Regular price£14.95
Dutch Pro Explode - London GrowDutch Pro Explode 250ml - London Grow
Dutch Pro
Dutch Pro Explode Sale priceFrom £29.95
On sale
Shogun SUMO Boost Active - London GrowShogun SUMO Boost Active 250ml - London Grow
Shogun
Shogun SUMO Active Boost Sale priceFrom £13.45 Regular price£14.95
On sale
Shogun PK Warrior 9/18 - London GrowShogun PK Warrior 9/18 250ml - London Grow
Shogun
Shogun PK Warrior 9/18 Sale priceFrom £8.95 Regular price£9.95
On sale
Shogun Dragon Force - London GrowShogun Dragon Force 250ml - London Grow
Shogun
Shogun Dragon Force Sale priceFrom £8.95 Regular price£9.95
Buddha's Tree PK 9/18 - London GrowBuddha's Tree PK 9/18 100ml - London Grow
Buddhas Tree
Buddha's Tree PK 9/18 Sale priceFrom £14.95
Mills Ultimate PK - London GrowMills Ultimate PK 250ml - London Grow
Mills
Mills Ultimate PK Sale priceFrom £18.95
Hydrotops Floral Boost - London GrowHydrotops Floral Boost 1L - London Grow
Hydrotops
Hydrotops Floral Boost Sale priceFrom £24.95
On sale
Biogreen X-Blast - London GrowBiogreen X-Blast 250ml - London Grow
Biogreen
Biogreen X-Blast Sale priceFrom £26.80 Regular price£32.50
Atami ATA Bloombastic - London Grow
Atami
Atami ATA Bloombastic Sale priceFrom £15.95
On sale
VEG+BLOOM Shine - London GrowVEG+BLOOM Shine 1lb - London Grow
VEG+BLOOM
VEG+BLOOM Shine Sale priceFrom £34.95 Regular price£38.95
On sale
Biogreen X-Bloom - London GrowBiogreen X-Bloom 250ml - London Grow
Biogreen
Biogreen X-Bloom Sale priceFrom £14.85 Regular price£18.00
Mills C4 - London GrowMills C4 250ml - London Grow
Mills
Mills C4 Sale priceFrom £19.95
Rock Resinator - London Grow
Rock Nutirents
Rock Resinator Sale priceFrom £64.95
CANNA BioBOOST - London GrowCANNA BioBOOST 250ml - London Grow
CANNA
CANNA BioBOOST Sale priceFrom £19.95
VitaLink Buddy - London GrowVitaLink Buddy 250ml - London Grow
Vitalink
VitaLink Buddy Sale priceFrom £6.95
H&G BUD XLH&G BUD XL
House & Garden
H&G BUD XL Sale priceFrom £17.95
Green Planet Bud BoosterGreen Planet Bud Booster
Green Planet
Green Planet Bud Booster Sale priceFrom £29.95
Hesi Boost - London Grow
HESI
Hesi Boost Sale priceFrom £14.50
Plant Magic Evolution - London GrowPlant Magic Evolution 125ml - London Grow
Plant Magic
Plant Magic Evolution 2.0 Sale priceFrom £10.95
Atami Bcuzz Blossom Builder Liquid - London Grow
Atami
Atami Bcuzz Blossom Builder Liquid Sale priceFrom £9.95
Athena - PK - London GrowAthena - PK 1L - London Grow
Athena
Athena PK Sale priceFrom £19.95
CX Horticulture Mighty Bloom Enhancer - London GrowCX Horticulture Mighty Bloom Enhancer 1L - London Grow
CX Horticulture
CX Horticulture Mighty Bloom Enhancer Sale priceFrom £34.95
Buddha's Tree Meta-Boost - London GrowBuddha's Tree Meta-Boost 250ml - London Grow
Buddhas Tree
Buddha's Tree Meta-Boost Sale priceFrom £14.95
Atami Bcuzz Bloom Stimulator - London Grow
Atami
Atami Bcuzz Bloom Stimulator Sale priceFrom £19.95
Fox Farm Cha Ching - London Grow
Fox Farm
Fox Farm Cha Ching Sale priceFrom £24.95
Growth Technology IONIC PK Boost - London Grow
Growth Technology
Growth Technology IONIC PK Boost Sale priceFrom £7.95
On saleSave £18.00
Vitalink PK
Essentials
Vitalink PK Sale price£24.95 Regular price£42.95
CX Horticulture Mighty Growth Enhancer - London GrowCX Horticulture Mighty Growth Enhancer 1L - London Grow
CX Horticulture
CX Horticulture Mighty Growth Enhancer Sale priceFrom £24.95
Idrolab Booster BIdrolab Booster B
Idrolab
Idrolab Booster B Sale priceFrom £18.45
Coming soon
Biogreen Flower Boost - Box of 6 sachets - London Grow
Biogreen
Biogreen Flower Boost Box of 6 sachets Sale price£26.50 Regular price£32.50
Terra Aquatica Ripen 500ml - London GrowTerra Aquatica Ripen 1L - London Grow
Terra Aquatica
Terra Aquatica Final Part Ripen Sale priceFrom £5.95
On sale
Biogreen PK 13/14 - London GrowBiogreen PK 13/14 250ml - London Grow
Biogreen
Biogreen PK 13/14 Sale priceFrom £10.90 Regular price£13.20
On sale
CX Horticulture Head Masta - London GrowCX Horticulture Head Masta 1L - London Grow
CX Horticulture
CX Horticulture Head Masta Sale priceFrom £21.95 Regular price£24.95
On sale
Remo Astro Flower - London Grow
Remo
Remo Astro Flower Sale priceFrom £12.95 Regular price£14.95
Plant Magic Bloom Boost - London GrowPlant Magic Bloom Boost 1L - London Grow
Plant Magic
Plant Magic PK13/14 Sale priceFrom £12.95
Plagron Green Sensation - London Grow
Plagron
Plagron Green Sensation Sale priceFrom £44.95
Idrolab Booster AIdrolab Booster A
Idrolab
Idrolab Booster A Sale priceFrom £18.45
Fox Farm Beastie Bloomz - London Grow
Fox Farm
Fox Farm Beastie Bloomz Sale priceFrom £24.95
Fox Farm Open Sesame - London Grow
Fox Farm
Fox Farm Open Sesame Sale priceFrom £24.95
Plagron PK 13/14 - London Grow
Plagron
Plagron PK 13/14 Sale priceFrom £11.95
Plant Magic OldTimer Organic PK 4/8 1L - London GrowPlant Magic OldTimer Organic PK 4/8 1L - London Grow
Plant Magic
Plant Magic OldTimer Organic PK 4/8 Sale priceFrom £29.95

Growers enjoy superior results with our selection of flowering boosters made by Biogreen, CANNA, Mills, Biobizz, or Dutch Pro. These products help you achieve exquisite flowers and exceptionally flavoured fruits. These additives also strengthen your crops during the flowering stage and improve their immune systems. They’re suitable for different grow media and ensure optimum nutrient uptake. Professional and beginner growers use London Grow’s range of flowering boosters to deliver the building blocks for impressive flowers and superior harvest results.

Free UK delivery over £75

We aim to deliver your purchase to you within 3-5 working days of placing the order.

Satisfied or Refunded

Changed your mind about what you purchased? No problem you have 30 days to return the items to us.

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Drop us an email if you need advice. If you have a question about improving your grow, check out our Grow Tips.

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