Guard'n'Aid Healthy Leaf & Bud – Foliar Spray for Plants
Guard'n'Aid Healthy Leaf & Bud – Foliar Spray for Plants
£67.80 per litre · 250ml
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Order by 3pm Mon–Fri — we aim to post same day · FREE Express Delivery over £60 · 1–2 working days · Free Wembley pickup
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- Price match promise
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- Advice from the team: 020 3488 0419
Description
A beneficial-bacteria foliar spray for healthy leaves and flowers
Guard'n'Aid Healthy Leaf & Bud is a concentrated preparation of naturally occurring beneficial bacteria and nutrients from HydroGarden's Guard'n'Aid plant health range, mixed with water and applied as a foliar spray. Sprayed onto the leaves it gets to work quickly, supports healthy leaf growth and calcium uptake, and helps plants recover from stress caused by high or low temperatures and light leaks. Use it alongside your normal feed in soil, coco and hydroponic systems, through vegetative growth and flowering.
Key Benefits
- Beneficial bacteria plus nutrients — a natural formula that works alongside your regular feed.
- Fast foliar uptake — applied straight to the leaves, so it is absorbed quickly.
- Better calcium uptake — helps leaves and flowers build strong, healthy tissue even when the environment isn't perfect.
- Stress recovery — helps plants bounce back after heat, cold or light-leak stress.
- Economical concentrate — just 15–20 ml per litre of water.
- Any growing system — soil, coco and hydroponics.
Why Do Leaves Struggle When the Grow Room Isn't Dialled In?
Swings in temperature and humidity, a light leak or a heat spike all put foliage under stress. Stressed plants show it as curling, spotting and slow growth, calcium struggles to reach the newest leaves and flowers, and leaves are more open to problems such as mildew. Healthy Leaf & Bud sits in Guard'n'Aid's disease-control range: sprayed regularly as part of a preventative routine, it helps keep leaves and flowers healthy and gets stressed plants growing again. It is a plant health aid, not a cure, so treat an established infection with a dedicated product and fix the humidity and airflow behind it.
How to Use
- Mix: shake well, then add 15–20 ml per litre of water and mix thoroughly.
- Spray: fill a mister or pump sprayer and cover the tops and undersides of the leaves until the solution starts to run off.
- Timing: spray at lights-out, or just as the lights are going off.
- With your feed: use it alongside your normal feeding programme, and again whenever plants have been through a stressful spell.
- Keep it apart from sterilisers: do not mix or apply it with hydrogen peroxide or other sterilising products, which kill beneficial bacteria.
Technical Specifications
- Brand: Guard'n'Aid (HydroGarden)
- Type: beneficial-bacteria foliar plant health spray
- Contents: naturally occurring beneficial bacteria and nutrients
- Form: liquid concentrate, diluted before use
- Dilution: 15–20 ml per litre of water
- Application: foliar spray to tops and undersides of leaves, to run-off, at lights-out
- Suitable for: soil, coco and hydroponic systems
- Stage: vegetative growth and flowering
| Stage | Per 1 L | Per 10 L |
|---|---|---|
| Foliar spray — vegetative growth and flowering | 15–20 ml | 150–200 ml |
Frequently Asked Questions
Is Healthy Leaf & Bud ready to use?
No, it is a concentrate. Mix 15–20 ml into each litre of water, then spray.
Can I use it during flowering?
Yes. It is made for healthy leaves and flowers and is used alongside the normal feed through vegetative growth and flowering. Spray at lights-out and keep humidity and airflow under control so the foliage dries.
Can I use it with Guard'n'Aid Healthy Root?
Yes. Healthy Root works in the root zone and Healthy Leaf & Bud on the foliage; both are Guard'n'Aid beneficial-bacteria products used alongside your feed.
Can I mix it with hydrogen peroxide or OxyPlus?
No. Sterilising products kill beneficial bacteria, so do not combine them in the same spray or apply them at the same time.
Works Well With

FREE Express Delivery on orders over £60. We aim to post same day on Express Delivery — order by 3pm Mon–Fri — and delivery takes 1–2 working days. A few harder-to-stock or large, bulky items can take a little longer — we'll tell you if that applies to your order. Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.



