SEASPRAY XTRA SEAWEED EXTRACT
SeaSpray Xtra – Seaweed Extract and Amino Acid Biostimulant
SeaSpray Xtra Biostimulant Use:
SeaSpray Xtra is a fully water-soluble, concentrated liquid seaweed extract produced from Ascophyllum nodosum harvested from the Atlantic coast. It is made using a cold extraction process and contains 35% w/w soluble seaweed extract solids and 5% w/w plant-origin L-amino acids.
SeaSpray Xtra contains naturally occurring plant growth promoters, including cytokinins, auxins, gibberellins and betaines. The amino acid content is in the L-isomeric form, which is more readily utilised by plants.
SeaSpray Xtra can be used across a wide range of edible and non-food crops and is particularly valuable for promoting early crop growth and resilience.
SeaSpray Xtra – Seaweed Extract and Amino Acid Biostimulant
Key Benefit:
SeaSpray Xtra combines concentrated seaweed extract with plant-origin L-amino acids to support crop establishment, early growth, cell division and plant strength. It is designed to help crops maintain vigour during key development stages and periods of stress.
Benefits:
- A fully water soluble liquid concentrated
- Contains a minimum of 35% (w/v) soluble seaweed extract solids
- Contains 5% w/v plant-origin L-amino acids
- Produced from Ascophyllum nodosum
- Made using a cold extraction process
- Contains naturally occurring plant growth promoters
- Rich in amino acids, cytokinins, auxins, gibberellins and betaines
- Supports early crop growth and resilience
- Promotes cell division
- Supports cell wall strength
- Helps improve plant vigour during key growth stages
- Can be used on a full range of edible and non-food crops.
When and where to use:
Use SeaSpray Xtra during periods when crops need support for early growth, establishment and resilience. It can be applied:
- During early crop establishment
- During active vegetative growth
- At key crop development stages
- When crops require support for cell division and cell wall strength
- Before or during periods of environmental stress
- As part of a regular foliar nutrition programme
Crops:
Potatoes and other vegetable, root and tuber crops. Tomatoes. Top, cane and citrus fruit. Hops. Maize, sunflowers. Oilseed Rape, broccoli, cauliflower and other brassica, lettuce, spinach and other leafy vegetables & onions.
Pack Size:
5L, 1000L (IBC)
Technical Information – SeaSpray Xtra
SeaSpray is a concentrated formulation of 100% natural seaweed extract containing a minimum of 35% (w/v) soluble seaweed solids beneficial to plant growth, crop development, crop quality and yield when applied as a properly timed foliar spray.
SeaSpray is intended to be used as a supplemental foliar treatment in crop production programmes.
| Analysis | w/v % |
| Souble Seaweed Extract Solids | 35.0% |
| L- Amino Acids (plant origin ) | 5% |
Application – SeaSpray Xtra
For seedling modules, the label states that SeaSpray Xtra may be applied as a drench before or after sowing. Modules, roots or compost can be drenched or soaked in a 1:300 dilution of SeaSpray Xtra, up to 24 hours before transplanting.
SeaSpray Xtra can be used on all crops that require a boost to growth and health or environmental stress relief and has no statutory harvest Interval or maximum dosage limit.
A programme of multiple applications at 10 to 14 day intervals during early development through early vegetative growth will get the maximum benefit from SeaSpray Xtra.
Apply as a foliar spray in sufficient water to ensure good crop coverage.
The label recommends:
- 150–400 litres of water per hectare for most crops
- 2,000–4,000 litres of water per hectare for top fruit
| Crop | Rate |
| For crops from seedling to young plant stage. | 0.75-1.00 L/ha |
| For crops from end of vegetative growth through to post-flowering. | 1.00- 1.50 L/ha |
MSDS Sheet – SeaSpray Xtra
For all MSDS sheets please email your request to [email protected]

FAQ’s – SeaSpray Xtra
1. What is SeaSpray Xtra?
SeaSpray Xtra is a fully water-soluble liquid seaweed extract produced from Ascophyllum nodosum. It contains 35% w/w soluble seaweed extract solids and 5% w/w plant-origin L-amino acids.
2. What are the benefits of SeaSpray Xtra?
SeaSpray Xtra supports early crop growth, plant vigour and resilience. It contains naturally occurring cytokinins, auxins, gibberellins and betaines, alongside L-amino acids that are readily utilised by plants.
3. When should SeaSpray Xtra be applied?
SeaSpray Xtra can be applied during early crop establishment, active vegetative growth and key development stages. It can also be used before or during periods of environmental stress to support crop resilience.
4. Which crops can SeaSpray Xtra be used on?
SeaSpray Xtra can be used on a wide range of edible and non-food crops, including potatoes, root and tuber crops, vegetables, tomatoes, top fruit, cane fruit, citrus fruit, hops, maize, sunflowers, oilseed rape, brassicas, lettuce, spinach, onions, flowers, ornamentals and turf grass.
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