Best Fertilizer For Lilacs of 2024: Top 6 Picks

Although lilacs don’t require plenty of fertilizer, it’s essential to feed them after 2 years of planting. If you make the right decision, it can help your lilacs bloom more with more beautiful flowers. Not all of them work the same, so you need to learn about how to choose the best fertilizer for lilacs and pick one from the list below:

Here are the best fertilizers for lilacs you can buy in 2024:

• Best For Quick Results: Miracle-Gro Water Soluble Plant Food
• Best For Long-Lasting Blooms: Miracle-Gro Plant Food Spikes
• Best For Lush Foliage: Jobe’s Fertilizer Spikes
• Best For Soil Enhancement: MARPHYL Organic Liquid Fertilizer
• Fertilizer & Insecticide Combo: BioAdvanced Granules
• Best For Root Growth: Scotts Plant Food

Best For Quick Results: Miracle-Gro Water Soluble Plant Food

Miracle-Gro Water Soluble Plant Food

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If you want to see your lilacs bloom as soon as possible, just choose the Miracle-Gro Water Soluble Plant Food that can provide your lilacs with nutrients within a short time. Among all forms, this water soluble plant food can bring the quickest result for your lilacs because the water that is mixed with will activate this fertilizer immediately after being applied.

Best For Long-Lasting Blooms: Miracle-Gro Plant Food Spikes

Miracle-Gro Plant Food Spikes

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Normally, lilacs can bloom around 14 days from mid-to late spring, but you can last this time by using the Miracle-Gro Plant Food Spikes. Both manufacturer and customers said that this product can last longer blooms, even if it can encourage more blooms next year.

Best For Lush Foliage: Jobe’s Fertilizer Spikes

Jobe’s Fertilizer Spikes

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Although most people just care about the flowers of lilacs, foliage plays a vital role in an aesthetic lilac bush.

If your lilacs show yellow leaves, which is a sign of lacking the nutrients for the growth of lush foliage, buy the Jobe’s Fertilizer Spikes that have 16-4-4 NPK ratio. Thanks to a high content of nitrogen, your lilacs can produce more proteins to create new tissues of foliage.

Best For Soil Enhancement: MARPHYL Organic Liquid Fertilizer

MARPHYL Organic Liquid Fertilizer

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Before growing lilacs, make a soil test. If your soil has a poor quality, you can improve its quality by using the MARPHYL Organic Liquid Fertilizer. To drench your soil, let you mix it with water, then pour the solution over the soil until saturated. Besides, this product also promotes vibrant colors and increases blooms of lilac flowers.

Fertilizer & Insecticide Combo: BioAdvanced Granules

BioAdvanced Granules

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Do your lilacs suffer from 2 problems at the same time: lacking nutrients for a complete development and being attacked by insects and bugs?

If so, there is no need to buy each kind of product to treat each problem. Instead, you can invest in the BioAdvanced Granules that is a fertilizer & insecticide combo. While it can kill 40 species of insects and protect your plants within one year, this product also feeds your lilacs at the same time.

Best For Root Growth: Scotts Plant Food

Scotts Plant Food

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In case your lilacs have a weak root system, you can save or improve its condition by applying the Scotts Plant Food. Apart from the flower improvement, the manufacturer said that this product can encourage the growth of roots and lush foliage because all nutrients in this fertilizer are high (11-7-7).

For the best outcome, it’s better to rake it into 1-3 inches of the soil top, which allows all nutrients to release to the roots directly without burning your lilacs.

How To Choose The Best Fertilizer For Lilacs?

How Much NPK Ratio Does Lilacs Need?

Any fertilizer has the information about NPK ratio on the label. It includes 3 numbers, showing the proportions of nitrogen (N), phosphorus (P), and potassium (K) of the product.

1. Nitrogen (N) helps your plants produce proteins that play an important role in creating new tissues of foliage. The lack of nitrogen leads to yellow and pale green leaves.
2. Phosphorus (P) can stimulate the growth of the root system to set buds, flowers and produce seeds. This nutrient also helps your plants use other ingredients more efficiently and turn the sunlight into usable energy.
3. Potassium (K) will promote the overall vigor of your plants by creating carbohydrates, improving disease resistance, regulating metabolic activities. If your plants lack potassium, it will be stunted with lower yields.

To choose a product with suitable proportions, you need to understand what lilacs need.

It’s very important to choose a fertilizer with high proportions of phosphorus and potassium, which provides your lilacs with a healthy root system, vibrant foliage, a bounty of blooms, and protection against diseases and pests. Nitrogen (N) is also essential because it contributes to the growth of foliage that makes your lilac bush more beautiful. However, the necessity of this ingredient is to a lesser extent. A fertilizer with nitrogen only results in having a lot of green leaves and very few blooms.

Note:

If a soil test shows that your soil is poor quality or lacks nitrogen or iron, choose a product with a high content of nitrogen to compensate.

What Is The Best Type Of Fertilizer For Lilacs?

To answer this question, you need to learn about each of them:

Quick Release

This is the liquid and water-soluble form. You can directly apply it around the base of your plants or spray it to provide your plants with nutrients immediately. This can improve quickly for ailing plants in poor soil. Although this way brings a fast result, it’s straightforward to overfeed, leading to root burn.

Slow Release

These are heavily concentrated forms: granules and spikes which provide plants with nutrients over an extended period, so it’s more eco-friendly.

Though different products will give different results, granules are so slow-releasing that it can provide your plants with nourishment for up to 9 months continuously. It is less likely to result in root burn. After applying, these granules will do everything, so there is no need to use the water for activating.

If you grow your lilacs in containers, spikes are more convenient to use. No matter which size you choose, it’s very easy to push them into loamy soil. This solution is also slow-releasing, so it has a low risk of root burn. Natural microorganisms in the soil will release them, so there is no need to use the water. Moreover, this solution can stimulate and increase the resistance to disease and pests.

Organic

This solution is safe because it is made from natural compounds such as well-degraded plant material and animal bi products, containing beneficial levels of NPK.

Inorganic

Inorganic fertilizers are produced with minerals and chemicals. They work well in a high yield, but soil and nearby water sources can be contaminated.

Which Brands Make The Best Fertilizer For Lilacs?

Trammo

Trammo was founded in 1965 by Ronald Stanton. While their headquarters are located in New York City, they also have other offices in Asia, South America, North America, Africa, and Europe. This brand is the biggest private fertilizer trading company all over the world.

Terra Nitrogen Company

This company was founded in 1990. Their headquarters are located in Deerfield. This brand is famous for selling nitrogen fertilizers (ammonium urea nitrate and anhydrous ammonia solutions). Nowadays, they have also produced phosphate fertilizers.

Scotts Miracle-Gro Company

Scotts Miracle-Gro Company was established in 1868 with the headquarters in Marysville. This brand is famous in Asia Pacific, North America, and Europe because of their high-quality products. They mainly produce and sell lawn and garden care products such as outdoor cleaners, spreaders, lawn fertilizers, and grass seed products, even weed, pest, and disease control items.

Sigma AgriScience, LLC

Sigma AgriScience is a fertilizer company with headquarters in Texas. This brand that is engaged in agricultural fertilizer production provides granular organic fertilizers, granular bio-fertilizers, liquid bio-stimulants for organic farming, conventional farming, turf, orchard, greenhouse, nursery, and landscape markets. In particular, they also offer biotechnology items.

California Organic Fertilizers, Inc

California Organic Fertilizers, Inc that was founded in 1990 with its headquarters in California has manufactured liquid and dry fertilizers to apply in organic farming operations. They sell dry organic fertilizers, liquid NPK fertilizers, adjuvants, plant nutrients, lawn and garden natural products, top-quality control products, and organic pesticides.

FAQs

Conclusion

Is it vital to choose the best fertilizer for lilacs? Can you use any product to feed them? Knowing what your lilacs needs can provide them with the right nutrients with the right ratio. For example, if you need to promote the growth of flowers and blooms, choose a fertilizer with a high content of phosphorus (P). In case your lilacs’ leaves are lacking nutrients, choose an item with a high level of nitrogen (N). Once you understand the importance of the best fertilizer for lilacs, you can make a purchase now. Don't forget to tell me about your decision by leaving a comment below.