Package included in: 1 X Seasol 4L Seaweed Health Tonic Concentrate (10562) Description: Seasol is the perfect partner for any garden project. It is a natural seaweed plant tonic that gives all plants including natives a real boost and helps to improve overall plant health and growth. Seasol helps to stimulate strong root development and enhance flowering and fruiting. Regular doses of Seasol throughout the year will help plants to cope with stresses like heat, drought, frost, pests and diseases. Plus, it stimulates beneficial micro-organisms in the soil, which are essential for healthy soil and plants. Use Seasol when transplanting new or existing plants as it aids transplant shock giving them a great kick-start to life. It also increases germination rates when applied to direct sown seeds. Seasol is a fast-acting liquid that goes to work immediately whether applied to the soil or foliage. Seasol is proudly Australian Made and Owned.
Package included in: 1 X Seasol 4L Seaweed Health Tonic Concentrate (10562) Description: Seasol is the perfect partner for any garden project. It is a natural seaweed plant tonic that gives all plants including natives a real boost and helps to improve overall plant health and growth. Seasol helps to stimulate strong root development and enhance flowering and fruiting. Regular doses of Seasol throughout the year will help plants to cope with stresses like heat, drought, frost, pests and diseases. Plus, it stimulates beneficial micro-organisms in the soil, which are essential for healthy soil and plants. Use Seasol when transplanting new or existing plants as it aids transplant shock giving them a great kick-start to life. It also increases germination rates when applied to direct sown seeds. Seasol is a fast-acting liquid that goes to work immediately whether applied to the soil or foliage. Seasol is proudly Australian Made and Owned.
Seasol Concentrate Fertiliser 4 Litre
Package included in: 1 X Seasol 4L Seaweed Health Tonic Concentrate (10562) Description: Seasol is the perfect partner for any garden project. It is a natural seaweed plant tonic that gives all plants including natives a real boost and helps to improve overall plant health and growth. Seasol helps to stimulate strong root development and enhance flowering and fruiting. Regular doses of Seasol throughout the year will help plants to cope with stresses like heat, drought, frost, pests and diseases. Plus, it stimulates beneficial micro-organisms in the soil, which are essential for healthy soil and plants. Use Seasol when transplanting new or existing plants as it aids transplant shock giving them a great kick-start to life. It also increases germination rates when applied to direct sown seeds. Seasol is a fast-acting liquid that goes to work immediately whether applied to the soil or foliage. Seasol is proudly Australian Made and Owned.
Package included in: 1 X Seasol 4L Seaweed Health Tonic Concentrate (10562) Description: Seasol is the perfect partner for any garden project. It is a natural seaweed plant tonic that gives all plants including natives a real boost and helps to improve overall plant health and growth. Seasol helps to stimulate strong root development and enhance flowering and fruiting. Regular doses of Seasol throughout the year will help plants to cope with stresses like heat, drought, frost, pests and diseases. Plus, it stimulates beneficial micro-organisms in the soil, which are essential for healthy soil and plants. Use Seasol when transplanting new or existing plants as it aids transplant shock giving them a great kick-start to life. It also increases germination rates when applied to direct sown seeds. Seasol is a fast-acting liquid that goes to work immediately whether applied to the soil or foliage. Seasol is proudly Australian Made and Owned.
in 33 offers
The lowest price for Seasol Concentrate Fertiliser 4 Litre right now is $6.60 at Coles Supermarkets, compared across 28 retailers.
The all-time low was $6.60 on 16 Oct 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 18 Oct 2026.
Last updated at 18/10/2026 20:39:25
Seasol The Complete Garden Health Treatment | 1.2L
Delivery between Tue – Sat on orders of $50+
Seasol Seaweed Concentrate Garden Health Treatment 600mL
30-day returns
Seasol Seaweed Concentrate
Seasol Seaweed Concentrate (Sizes: 600ml)
Delivery between 20–26 Oct $12
Seasol Concentrate 1 Litre
Delivery between 22–28 Oct $9.95
Seasol Concentrate
Seasol Seaweed Concentrate Liquid Plant Tonic 500ml
Delivery $15
Seasol 1.2L Seaweed Health Tonic Concentrate
Delivery $12
Seasol Complete Garden Health Treatment 1L
Delivery $15
SEASOL Seaweed Concentrate Complete Garden Health Treatment 4 Litres
Delivery $1,000
| Brand | FLOWER Beauty |
| Volume | 22.3 US fluid ounces, 33.8 US fluid ounces, 40.6 US fluid ounces, 67.6 US fluid ounces, 1.1 US gallons, 2.6 US gallons, 5.3 US gallons |
Seasol The Complete Garden Health Treatment | 1.2L
Delivery between Tue – Sat on orders of $50+
Seasol Seaweed Concentrate Garden Health Treatment 600mL
30-day returns
Seasol Seaweed Concentrate
Seasol Seaweed Concentrate (Sizes: 600ml)
Delivery between 20–26 Oct $12
Seasol Concentrate 1 Litre
Delivery between 22–28 Oct $9.95
| Brand | FLOWER Beauty |
| Volume | 22.3 US fluid ounces, 33.8 US fluid ounces, 40.6 US fluid ounces, 67.6 US fluid ounces, 1.1 US gallons, 2.6 US gallons, 5.3 US gallons |
