Seaweed products / RHS Gardening (2024)

FAQs

Is any seaweed good for the garden? ›

Other uses for seaweed in your garden. You can put kelp, or any seaweed, into a bucket or large glass jar and fill with water. Leave this in the sun, covered, for a few days and your 'tea' will be brewed. Use this as a foliar spray to deter insect pests, or apply directly to the soil around seedlings.

Seaweed (Marine algae) extracts have been reported to be beneficial to plants for early seed germination, better plant growth, improved crop yield, and also in preventing biotic and abiotic stress.

Disadvantages of Seaweed

The trace mineral ratio of kelp or seaweed is not the best. It is low in nitrogen and other minerals. Seaweed or pre composted kelp has the following disadvantages: May have excess salt content and disturb the soil's pH.

Shake 3 ml of seaweed extract into 1 litre of water until fully combined, and your solution is ready to use. Pour the solution into your potted plants until it comes out through the drainage hole. This ensures that the nutrients are available even to the deepest roots. Seaweed solution can also be used as a spray.

In conclusion, regarding indoor plants that don't like seaweed fertiliser, it's best to steer clear of Peace Lilies, Snake Plants, Spider Plants, Jade Plants, and African Violets. They prefer a different type of nourishment to thrive, like how a fish needs water to swim.

Seaweed solutions are a popular additive for plants - but they're not a substitute for fertiliser. Instead, you should think of them as a health tonic for your plants.

You can apply Tui Organic Seaweed Plant Tonic year round, every few weeks, as an overall health treatment, in addition to fertiliser. As a plant tonic it doesn't have an NPK, so you can't overfeed your plants!

The general recommendation for plants is to apply a seaweed solution once a month. The reason for this is that seaweed contains growth hormones and frequent application can overstimulate cell production and cause flower and growth abnormalities.

With fresh seaweed: You can also use fresh seaweed to create DIY fertilizer. Harvest seaweed from the beach, bring it home, rinse it, and let it dry in the sun. Then mix it in with other organic matter like veggie scraps, fish emulsion, and dry leaves in a compost bin.

Moreover, SES increased the hardness of tomato. These results show that the use of seaweed extracts is a suitable method for tomato growth and development in sustainable agricultural systems.

What vegetables benefit from seaweed fertilizer? ›

Studies have shown that seaweed can produce dramatic results in plants including 40 percent increase in yield from cucumbers and potatoes. Plants have been seen to have better frost tolerance, increased seed germination, and a greater ability to absorb trace elements.

Changes to existing ecosystems

Seaweed farms can reduce the amount of light that reaches the seafloor beneath them and could make it challenging for other photosynthetic organisms like seagrass to grow.

Which Plants Benefit and Which Don't? While roses, tomatoes, and most leafy vegetables respond well to seaweed fertilizer, plants like succulents may not benefit as much.

Let the seaweed soak in water for about 8 weeks. Stir the mixture occasionally, and watch water turn brown as the nutrients from the seaweed leach into the solution. The resulting liquid fertiliser will need to be diluted with water before using it on your plants.

Nova Zyme being a tonic for plant growth provides all essential nutrients for plant growth. Nova Zyme, a seaweed fertilizer, encourages branching/tillering in plants. This seaweed liquid fertilizer is very well associated with nutrient uptake and growth of plants.

Be sure to check with your council or local government first for in some areas it is illegal to take seaweed off the beach. Kelp is generally the best option, but other types of seaweed work great as well.

Seaweed fertilisers are organic plant feeds containing extracts of seaweed sustainably derived from the ocean. Ascophyllum nodosum is a variety particularly renowned for its ability to boost overall plant health. Containing beneficial nutrients such as magnesium, potassium, nitrogen and more.

IFFCO Liquid Seaweed Online

Boosts Yield & enhances Plant Quality. Enhances Stress Tolerance from heat, cold, wind, drought and disease.