Envii
Envii Seafeed Xtra - Liquid Seaweed Fertilizer
Pickly Score
Composite of certifications, ingredient analysis, and sustainability practices.
Certifications
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Customer Rating
Best for
Pet owners and families seeking a non-toxic, child-safe lawn tonic.
AI Score Review
Envii Seafeed Xtra is a premium liquid seaweed lawn feed that improves soil health and grass resilience using sustainably harvested Atlantic seaweed for UK gardens.
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Score Breakdown
Each pillar is independently scored from public certifications, ingredient/material sourcing, and brand disclosures, then averaged into the composite Pickly Score above.
In-Depth Review
Direct answer: Yes, Envii Seafeed Xtra is an exceptional investment for UK gardeners seeking a professional-grade, organic-style lawn finish. It leverages cold-pressed seaweed to deliver essential micronutrients without the synthetic salts found in cheaper feeds, making it safe for pets, children, and local biodiversity while noticeably thickening turf density.
Envii Seafeed Xtra - Liquid Seaweed Fertilizer is a concentrated eco lawn feed made by Envii, sold on Amazon.co.uk from £14.99.
Key facts
- Price: Typically £14.99 per 1-litre concentrate
- Size: 1-litre bottle (makes up to 200 litres)
- Origin: Sustainably harvested in the North Atlantic
- Main Ingredient: Pure Ascophyllum Nodosum seaweed
- Key Certification: Certified Vegan and non-toxic
- Packaging: Recyclable HDPE plastic bottle
Who it's for
This product is ideal for the eco-conscious UK homeowner who prioritises soil microbiology over quick-fix chemical greening. It is particularly suited for families with young children or dog owners who need a lawn treatment that requires zero exclusion time after application. It also appeals to allotment owners and ornamental gardeners who want a versatile liquid feed for both turf and borders.
How it compares
| Feature | Envii Seafeed Xtra | Standard Synthetic Feed |
|---|---|---|
| Chemical Runoff | Zero harmful leaching | High nitrogen runoff risk |
| Soil Impact | Builds microbial life | Can deplete soil health |
| Pet Safety | Immediate access allowed | Often requires 24h wait |
| Nutrient Source | Natural Seaweed Extract | Ammonium Sulphate |
How to use it
- Shake the bottle thoroughly to ensure the concentrated seaweed solids are well mixed.
- Dilute 10ml of Seafeed Xtra into 5 litres of water using a standard garden watering can or pressure sprayer.
- Apply evenly across the lawn surface during the early morning or late evening to avoid direct midday sun.
- Repeat application every 2-4 weeks during the growing season (March to September) for optimal results.
- Apply to damp soil after rainfall to enhance nutrient uptake through the root system.
Pro tip
For best results, use this as a foliar spray on your garden vegetables and flowers too; the growth hormones in the seaweed work wonders on tomato yields and rose vibrancy.
As highlighted in reports by Ethical Consumer (2024), shifting away from synthetic nitrates is crucial for protecting UK waterways. Furthermore, gardening experts at The Guardian (2023) have praised liquid seaweed for its ability to increase plant resistance to common British pests and frost damage without resorting to harsh pesticides.
FAQ
Is it safe for new grass seed?
Yes, Envii Seafeed Xtra is excellent for new lawns. Unlike harsh chemical fertilisers that can burn tender young shoots, this organic-based liquid feed provides gentle stimulation for root development, helping new seeds establish a robust foundation quickly and safely.
Does it have a strong smell?
No, it has a very mild, oceanic scent that dissipates almost immediately after dilution and application. It does not linger like manure-based fertilizers, making it ideal for urban gardens or patio-adjacent lawns where strong odours might be undesirable for outdoor dining.
Can I use this in a hose-end sprayer?
It depends on your sprayer's calibration. While designed for watering cans, it can be used in hose-end sprayers if you calculate the dilution rate correctly. Ensure the sprayer is set to a fine mist to maximise leaf absorption rather than just soaking the soil.
Pros
- ✓Completely safe for pets and children
- ✓Highly concentrated and cost-effective
- ✓Sustainable seaweed sourcing
Cons
- ✗Requires regular application for best results
- ✗Not a high-nitrogen 'quick fix' for yellowing
Key Facts
- Brand
- Envii
- Category
- Garden & Outdoors
- Pickly Score
- 88/100
- Price Range
- ££ (≈ £14.99)
- Avg Rating
- 4.6/5 (4200 reviews)
- Format
- Liquid Concentrate
- Origin
- United Kingdom
- Volume
- 1 Litre
- Coverage
- Up to 200m²
- Shelf Life
- 2 Years
- Application Method
- Watering can / Sprayer
- Certifications
- Vegan, Cruelty-Free, Non-GMO
🌱 Sustainability
Seaweed is harvested using sustainable methods that allow for rapid regrowth of the seabed forest.
🧪 Ingredients & Materials
Contains high-density Ascophyllum Nodosum; 100% plant-based with no fish emulsion or bone meal.
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What Reviewers Say
"A standout choice for those avoiding synthetic nitrogen and animal byproducts."
"One of the best ways to build long-term lawn resilience naturally."
"Excellent results on tired lawns without the chemical smell."
Frequently Asked Questions
Is Envii Seafeed Xtra - Liquid Seaweed Fertilizer by Envii ethically made?+
Envii Seafeed Xtra - Liquid Seaweed Fertilizer has a recorded Pickly score of 88/100, with catalogue labels including Vegan, Cruelty-Free, Non-GMO. Envii Seafeed Xtra is a premium liquid seaweed lawn feed that improves soil health and grass resilience using sustainably harvested Atlantic seaweed for UK gardens.
What certifications does Envii Seafeed Xtra - Liquid Seaweed Fertilizer hold?+
The catalogue records these labels for Envii Seafeed Xtra - Liquid Seaweed Fertilizer: Vegan, Cruelty-Free, Non-GMO. Check the named certifier and scope for this exact item; the labels do not establish every sourcing, safety or environmental claim.
How sustainable is Envii Seafeed Xtra - Liquid Seaweed Fertilizer?+
Seaweed is harvested using sustainable methods that allow for rapid regrowth of the seabed forest.
What are the key ingredients or materials in Envii Seafeed Xtra - Liquid Seaweed Fertilizer?+
Contains high-density Ascophyllum Nodosum; 100% plant-based with no fish emulsion or bone meal.
How much does Envii Seafeed Xtra - Liquid Seaweed Fertilizer cost?+
Envii Seafeed Xtra - Liquid Seaweed Fertilizer is priced in the $$ range for garden & outdoors. Visit the retailer links above for current pricing.
Where can I buy Envii Seafeed Xtra - Liquid Seaweed Fertilizer?+
Use the retailer links on this page to check current availability, delivery and the exact variant of Envii Seafeed Xtra - Liquid Seaweed Fertilizer. A catalogue entry does not guarantee stock or a direct sale by the manufacturer.
Customer Reviews
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How to choose garden & outdoors
Match the product to the growing space, exposure and task. A balcony container, shaded border and large lawn have different capacity and maintenance needs.
| Check before buying | Why it matters | Trade-off or limit |
|---|---|---|
| Site, dimensions and weather exposure | Check drainage, sunlight, anchoring and outdoor-use instructions. | Weather-resistant is not the same as maintenance-free. |
| Materials and upkeep | Check treatment requirements, replaceable parts and winter storage. | Natural materials may need regular protection to last outdoors. |
| Compatibility and consumables | Check battery platforms, hose fittings, refill sizes and local growing conditions. | A cheap tool may tie you to costly batteries or proprietary parts. |
Common mistake: Do not assume biodegradable pots disappear quickly in every soil or that an organic claim makes a garden chemical harmless.
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