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Do I Need To Fertilize My Plants And If I Do Will It Encourage Algae Growth? – Decorative Ponds & Water Gardens Q & A

Do I need to fertilize my plants and if I do will it encourage algae growth?

Do I need to fertilize my plants and if I do will it encourage algae growth? Ben – Shelley, ID

Here We Grow Again

Behind the scenes your Aquatic Plants are working hard to filter nutrients from the water in your pond, provide shelter for its residents, and keep algae blooms to a minimum. While this may seem impressive to some, it is hard for most pond owner to get excited about aquatic plants unless they can do all of this work while looking good. Whoever coined the phrase “Looks aren’t everything” obviously never owned a water garden.

If your aquatic plants are failing to impress you can use some plant fertilizer to give them the boost they need to ensure your pond has more buds and less duds this season. The type of fertilizer you use will depend on the type of plants in your pond and how they are implemented.

Liquid fertilizers like Microbe-Lift® Bloom & Grow™ are mixed directly into your pond water, providing a readily available food source throughout the entire pond. This type of application is great for ponds with an abundance of scattered plants, Floating Plants, and plants that are in areas lacking Planting Media.

Concentrated fertilizers like TetraPond® LilyGro™ Tablets and Laguna Fertilizer Pond Spikes are used for potted plants or plants with roots planted in media. Simply push these fertilizers into the planting media and they will gradually release nutrients that your plants. When you are using concentrated fertilizers in your pond, carefully read the directions for each individual product for specific application instructions and warnings. For example, when using LilyGro tablets you will want to place them about 3” away from the crown of the plant to ensure the fertilizer does not burn the roots or stem.

The amount of fertilizer you need and intervals at which you re-apply them will depend on which type you are using and variable factors such as average water temperatures and how many plants are in the pond. Applications can range from once a season to ever 2-4 weeks. Whichever type or brand of fertilizer you use in your pond make sure it is low in or completely free of phosphates which can encourage algae growth. Microbe-Lift Bloom & Grow is an entirely phosphate free product.

Fertilizing your plants will encourage increased growth and color in healthy plants to push them to perform at their best. Fertilizers will not be an effective substitute for gardening know how. If your plants are constantly dieing make sure they are being planted in the right Temperature Zone and are being used in the correct applications. Bog Plants like Dwarf Cattails for example should not be entirely submerged in your pond, tropical plants like Antares should not be planted in cold climates and so on.

Do some homework, read the descriptions and text included with your plants and fertilizers to ensure you select the correct products for you unique water gardening scenario. Once your aquatic plants are established and growing, you can then decide if you need fertilizer to give them a kick in the bud to bloom at their best.

Pond Talk:What aquatic plants do you use in your pond and which types of fertilizers do you use for them?

Fertilizer Pond Spikes

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