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Best Fertilizer For Crape Myrtles (2024 Updated)

If you’re looking for a way to improve the blooming and growth of your crape myrtles, you might want to consider using fertilizer. A high-quality fertilizer can help your crape myrtles produce beautiful, vibrant blooms and grow strong, healthy limbs. However, there are some factors to consider before making your purchase.

Firstly, you should consider the type of soil you have. Different fertilizers are designed for different types of soil, so it’s important to choose one that will be effective in your specific environment. It’s also important to think about the specific nutrients your crape myrtles need. Nitrogen, phosphorus, and potassium are all important elements for optimal growth, but the amount your crape myrtles need can vary depending on their location and age.

When looking for a fertilizer for your crape myrtles, you may also want to consider how it will impact the environment. Some fertilizers can be harmful to the soil and water, so it’s important to choose one that is eco-friendly and safe for use around pets and children.

Are you tired of lackluster blooms and weak branches on your crape myrtles? Do you want to help your plants reach their full potential? If so, a high-quality fertilizer could be exactly what you need. But before making your purchase, consider the type of soil you have, the specific nutrients your crape myrtles need, and the environmental impact of your chosen fertilizer. With a little research and the right product, you could be enjoying beautiful, healthy crape myrtles in no time.

10 Best Fertilizer For Crape Myrtles

# Product Image Product Name Product Notes Check Price
1
Protecting and feeding trees and shrubs for 12 months.
2
This product is ideal for fertilizing flowering trees and plants, whether grown indoors or outdoors in containers.
3
The product is ideal for fertilizing crepe myrtle trees with a balanced formula of nutrients.
4
Ideal for fertilizing trees and shrubs with convenient, easy-to-use spikes.
5
This plant food is ideal for feeding and promoting healthy growth in flowering trees and shrubs.
6
Ideal for feeding trees and shrubs with a quick nutrient boost through easy-to-use spikes.
7
The product is ideal for fertilizing trees and shrubs with six spikes weighing 1.5 lbs.
8
Ideal for adding color and beauty to any garden or landscape, with easy care instructions included.
9
This product is ideal for adding color and beauty to any landscape with its eye-catching red blooms.
10
This product is ideal for adding beauty to outdoor landscapes with live lavender crape myrtle trees in quart containers.
Protecting and feeding trees and shrubs for 12 months.
This product is ideal for fertilizing flowering trees and plants, whether grown indoors or outdoors in containers.
The product is ideal for fertilizing crepe myrtle trees with a balanced formula of nutrients.
Ideal for fertilizing trees and shrubs with convenient, easy-to-use spikes.
This plant food is ideal for feeding and promoting healthy growth in flowering trees and shrubs.
Ideal for feeding trees and shrubs with a quick nutrient boost through easy-to-use spikes.
The product is ideal for fertilizing trees and shrubs with six spikes weighing 1.5 lbs.
Ideal for adding color and beauty to any garden or landscape, with easy care instructions included.
This product is ideal for adding color and beauty to any landscape with its eye-catching red blooms.
This product is ideal for adding beauty to outdoor landscapes with live lavender crape myrtle trees in quart containers.

1. Bioadvanced 12 Month Tree And Shrub Protect And Feed, Granules, 4 Lb

Protect your trees and shrubs from pests and insects for up to a year with this powerful insect and pest killer. With just one application, this product effectively kills Japanese Beetles, Emerald Ash Borers, Adelgids, Leafminers, Aphids, and many more. This systemic protection works from the roots to the stem of every leaf, ensuring your potted and outdoor plants are safe from infestations.

This product also includes slow-release fertilizer that not only kills pests but also improves the health of your plants. With this product, you can provide your trees and shrubs with the nutrients they need to thrive.

Please note that this product is not for sale in CT, MD, MA, ME & VT. It is also not for sale, sale into, distribution, and or use in Nassau, Suffolk, Kings and Queens counties of NY.

Pros

  • Provides 12 months of protection against pests and insects
  • Effectively kills a variety of pests including Japanese Beetles, Emerald Ash Borers, Adelgids, Leafminers, Aphids, and more
  • Includes slow-release fertilizer that improves the health of plants
  • Works systemically from the roots to the stem of every leaf

Cons

  • – Not available for sale or use in some states and counties

2. Nutristar Flowering Tree Fertilizer (2 Lb.)

Give your flowering trees the best nutrition with Plant Food For Crape Myrtle and All Flowering Trees. This multi-purpose fertilizer is designed to increase the number, size, and quantity of blooms. With a blend of Nitrogen (10%), Phosphate (15%), Soluble Potash K20 (9%), Sulfur, Copper, Iron, Manganese, and Zinc, this plant food ensures that your trees and flowers are properly fed. It contains five nitrogen sources, each with a different release characteristic, providing your plants with a sustained release of nutrients. This fertilizer is perfect for a range of flowering trees, including Crape Myrtle, Crab Apple, Desert Willow, Flowering Pear, Mexican Plum, Mimosa, Orchid Tree, Texas Mountain Laurel, Viburnum, Vitex. NutriStar is a superior fertilizer that works for all new and established in-ground and container growing flowering trees. You can top dress or incorporate it when planting new beds. If it blooms, you can use NutriStar. The recommended rate of application and a list of plants are available in the product description. It feeds for up to 4 months, and you can expect quick results. NutriStar works with the soil and soil biology to provide your plants with the best nutrition at the right time and in the right amount. Your plant gets an immediate boost upon application, coupled with lasting benefits that continue to feed.

Pros

  • Contains a blend of essential nutrients for flowering trees
  • Provides a sustained release of nutrients with five nitrogen sources
  • Increases the number, size, and quantity of blooms
  • Suitable for a range of flowering trees
  • Works for all new and established in-ground and container growing flowering trees
  • Feeds for up to 4 months
  • Provides quick results
  • Works with the soil and soil biology to provide plants with the best nutrition

3. Purely Organic Products Purely Organic Tree & Shrub Fertilizer Plant Food Spikes (Box Of 6 Spikes)

The 5 Inch TruSpikes are a perfect solution for feeding trees, evergreens and shrubs. These spikes are packed with fertilizer and are fast acting, long lasting and provide robust nutrition to the plants. The spikes are easy to hammer in and do not require a cap, thus saving time and effort. The spikes are made of a durable material that will not break, crush, or shatter. The Rich Molasses Formula of the spikes is OMRI Listed for Organic Use. The spikes are simple to use and provide continuous fertilization if used once per season, early spring, and late fall. The Nutrient Rich 7-0-2 Formula contains natural ingredients and provides 7% Nitrogen for plant growth and color; and 2% Potassium for strong roots. The fertilizer spikes release nutrition directly into the root zone of the plants, promoting stronger trees and shrubs without over-fertilizing or runoff.

If you're looking for a hassle-free and effective way to fertilize your trees and shrubs, the 5 Inch TruSpikes are an excellent choice. The spikes are durable, easy to use, and provide continuous fertilization throughout the season. The Nutrient Rich 7-0-2 Formula is made of natural ingredients and provides the necessary nutrients for healthy plant growth. The spikes release the fertilizer directly into the root zone, which ensures that the plants receive the nutrition they need without over-fertilizing or runoff. The Rich Molasses Formula is OMRI Listed for Organic Use, which makes it an eco-friendly and sustainable choice for your garden.

These spikes are a must-have for any gardener who wants to ensure that their plants receive the necessary nutrition for healthy growth. The spikes are fast acting, long lasting, and provide robust nutrition to the plants. The Nutrient Rich 7-0-2 Formula contains natural ingredients that are safe for the environment and provide the necessary nutrients for healthy plant growth. The spikes are easy to use and can be applied once per season, early spring, and late fall, which ensures that the plants receive continuous fertilization. The spikes are made of a durable material that will not break, crush, or shatter, making them a reliable choice for your garden. The fertilizer spikes release nutrition directly into the root zone of the plants, which promotes stronger trees and shrubs without over-fertilizing or runoff.

Pros

  • The 5 Inch TruSpikes are easy to use and do not require a cap, saving time and effort.
  • The spikes are made of a durable material that will not break, crush, or shatter.
  • The Nutrient Rich 7-0-2 Formula contains natural ingredients that are safe for the environment and provide the necessary nutrients for healthy plant growth.
  • The spikes provide continuous fertilization if used once per season, early spring, and late fall.
  • The fertilizer spikes release nutrition directly into the root zone of the plants, which promotes stronger trees and shrubs without over-fertilizing or runoff.

Cons

  • – The 5 Inch TruSpikes may not be suitable for small plants or seedlings.
  • – The spikes may not be effective if used incorrectly or if the soil conditions are poor.

4. Shake 'n Feed Flowering Trees And Shrubs Plant Food

The Natural Ingredients Tree and Shrub Fertilizer is perfect for anyone looking to keep their flowering trees, shrubs, and acid-loving plants healthy and vibrant. This fertilizer is specially formulated with natural ingredients that feed the microbes in the soil, which helps to maintain deep, lush green foliage and colorful blooms throughout the season.

This fertilizer is incredibly easy to use and can be applied to plants both in the ground and in containers. It provides continuous release feeding for up to 3 months, ensuring beautiful trees and shrubs all season long. With this fertilizer, plants will get off to a good start and thrive throughout the season.

Overall, the Natural Ingredients Tree and Shrub Fertilizer is a great choice for anyone looking to keep their plants healthy, vibrant, and beautiful all season long.

Pros

  • Contains natural ingredients to feed microbes in the soil
  • Can be used on all flowering trees, shrubs, and acid-loving plants
  • Helps maintain deep, lush green foliage and colorful blooms throughout the season
  • Provides continuous release feeding for up to 3 months
  • Conveniently can be used on plants, both in ground and in containers

5. Miracle-Gro Tree & Shrub Plant Food Spikes, 12 Spikes/pack, 12 Count (Pack Of 1)

Looking for a product that can help promote vibrant color and lush foliage in your garden? Look no further than these easy-to-use spikes! Made with natural ingredients, these spikes are perfect for feeding your trees and shrubs once per season in both Spring and Fall.

Not only are these spikes great for promoting healthy growth in your garden, they are also perfect for use on evergreens and acid loving plants. The nutrients are released directly into the root zone, helping to promote strong and healthy trees and shrubs.

With these spikes, you can rest easy knowing that your garden is getting the nutrients it needs to thrive. So why wait? Give them a try today and see the difference for yourself!

Pros

  • Promotes vibrant color and lush foliage
  • Contains natural ingredients
  • Easy-to-use spikes release nutrients directly into the root zone
  • Great for use on evergreens and acid loving plants

6. The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box Of 6 Spikes – 1.5 Lbs)

Give your trees, evergreens, and shrubs the nourishment they need with the fast-acting and long-lasting TruSpikes. These 5-inch spikes are loaded with fertilizer, making them an excellent source of nutrients for your plants. They are also incredibly durable and easy to use, with no cap required. Simply hammer them in, and they are ready to go. For optimal results, feed your plants once per season – in early spring and late fall – for continuous fertilization.

The spikes are made with natural ingredients, including molasses, which releases nutrients directly into the root zone, promoting stronger and healthier trees and shrubs. The nutrient-rich 13-3-3 formula contains 13% nitrogen for plant growth and color, 3% phosphorus for healthy fruiting and blooms, and 3% potassium for strong roots.

With TruSpikes, you can rest assured that your trees and shrubs are getting the right nutrition they need to thrive. So, give your plants the best chance to flourish with TruSpikes.

Pros

  • Fast-acting and long-lasting spikes
  • Durable and easy to use with no cap required
  • Contains natural ingredients that promote stronger and healthier plants
  • Nutrient-rich 13-3-3 formula with 13% nitrogen, 3% phosphorus, and 3% potassium

7. Perfect Plants Best Red Black Diamond Crape Myrtle Live Plant, 3 Gallon, Includes Care Guide

The Live 3 Gallon Best Red Crape Myrtle Tree is a stunning addition to any landscape. It comes with an easy-to-use plant food and blooms sparkling red flowers every spring and fall. This compact tree features deep purple to black foliage that catches the sunlight with a glossy glow. In spring and fall months, this tree will burst with clusters of vibrant, red flowers.

Crape Myrtle trees thrive in full sun exposure, and they do not require any shade. The Best Red Black Diamond Crape Myrtle is perfect for planting as a small tree accent, or in rows of multiples to create a fence-line or privacy screen. It is low-maintenance and does not require fertilization to flower, making it an ideal landscape specimen for novice growers who want to add foliage flair to their backyard.

This tree grows to a mature height of 10-12 ft and a mature width of 8 ft, which makes it a good fit for smaller sections of the landscape. It can grow alongside already-established plants in the landscape.

Pros

  • Comes with easy-to-use plant food
  • Blooms sparkling red flowers every spring and fall
  • Features deep purple to black foliage that catches the sunlight with a glossy glow
  • Low-maintenance and does not require fertilization to flower
  • Ideal landscape specimen for novice growers who want to add foliage flair to their backyard

8. Proven Winner Red Center Stage Crape Myrtle, 2 Gallon

Introducing a beautiful addition to any garden, the Cheerful Cherry Tree. This deciduous tree is hardy in USDA zones 7-9 and can reach a mature size of 96 inches in width and 72-144 inches in height. It thrives in full sun to partial shade and goes into foliage loss in winter, but comes back with beautiful new growth in the spring.

The Cheerful Cherry Tree is known for its stunning cherry-colored flowers that bloom all summer long, making it an eye-catching feature in any landscape. This tree is expected to bloom from spring to fall, adding a splash of color to your garden for months on end.

Pros

  • Hardy in USDA zones 7-9
  • Beautiful addition to any garden
  • Thrives in full sun to partial shade
  • Stunning cherry-colored flowers that bloom all summer long
  • Expected to bloom from spring to fall

Cons

  • – Deciduous tree goes into foliage loss in winter

9. 4 Pack Muskogee (Lavender) Crape Myrtle Trees – 4 Live Plants – Quart Containers

Enjoy the sight of beautiful lavender blooms throughout the summer season with this stunning plant. It grows up to 25 feet in height, making it a great addition to any garden or outdoor space. The bark of this plant is equally impressive, with its exfoliating texture that adds a unique touch to your landscape all year round. Depending on the variety you choose, this plant comes in a size of 1-2 feet and is shipped in strong boxes along with its original pot, ensuring its safety during transit. You can now have this plant delivered straight to your door without worrying about receiving it bare-rooted.

Pros

  • Produces beautiful lavender blooms throughout the summer season
  • Impressive exfoliating bark that adds a unique touch to your landscape
  • Can grow up to 25 feet in height, making it a great addition to any garden or outdoor space
  • Shipped in super strong boxes and original pots, ensuring its safety during transit
  • Delivered straight to your door for added convenience

Best Fertilizer For Crape Myrtles FAQs

Can over-fertilizing harm crape myrtles?

Yes, over-fertilizing can harm crape myrtles. While fertilization is necessary to promote healthy growth and blooms in crape myrtles, it is important to apply the right amount and type of fertilizer. Too much fertilizer can cause excessive growth, weak stems, and damage to the roots, resulting in reduced bloom production and overall health of the tree. Additionally, over-fertilization can lead to an increase in pests and diseases, as the weakened tree becomes more susceptible to these problems. It is recommended to fertilize crape myrtles in the spring and early summer with a slow-release, balanced fertilizer, following the recommended dosage on the label. It is also important to water the tree thoroughly after fertilization to prevent the excess fertilizer from burning the roots. Regular soil testing can also help determine the nutrient needs of crape myrtles and guide proper fertilization practices.

How often should crape myrtles be fertilized?

Crape myrtles are known for their vibrant colors and stunning blooms. To ensure that they grow healthy and strong, it is important to fertilize them properly. The frequency of fertilizing crape myrtles depends on several factors, such as the age of the tree and the type of soil it is planted in.

Young crape myrtles, which are less than three years old, should be fertilized once a year in the spring. This will help them establish a healthy root system and promote vigorous growth. Mature crape myrtles, on the other hand, should be fertilized twice a year – once in the spring and again in the fall. This will provide them with the necessary nutrients to produce stunning blooms and maintain overall health.

It is important to use a balanced fertilizer that contains nitrogen, phosphorus, and potassium, as well as micronutrients such as iron and magnesium. Avoid over-fertilizing, as this can lead to excessive growth and weak branches. By fertilizing your crape myrtles at the right time and with the right nutrients, you can enjoy beautiful blooms and a healthy, vibrant tree for years to come.

Is it okay to use organic fertilizer on crape myrtles?

Yes, it is perfectly okay to use organic fertilizer on crape myrtles. In fact, using organic fertilizers can provide numerous benefits to your crape myrtle plants. Organic fertilizers are made from natural materials, such as compost, manure, or bone meal, which are rich in nutrients and essential minerals that can help promote healthy growth and development of your plants.

Unlike synthetic fertilizers, organic fertilizers release nutrients slowly, providing a steady supply of nourishment to your plants over time, without the risk of burning them with excessive amounts of chemicals. Organic fertilizers also improve soil health, which can help prevent diseases and pests from attacking your crape myrtle plants.

However, it is important to note that not all organic fertilizers are created equal. You should choose a fertilizer that is specifically formulated for crape myrtles, and follow the instructions carefully to avoid over-fertilizing your plants. With proper care and attention, your crape myrtles will thrive and provide beautiful blooms for years to come.

What nutrients does crape myrtle fertilizer need to contain?

Crape myrtle is a beautiful ornamental plant that adds color and charm to any landscape. To ensure healthy growth and vibrant blooms, crape myrtle fertilizer should contain essential nutrients such as nitrogen, phosphorus, and potassium. Nitrogen is necessary for the plant's overall growth and helps in the development of leaves, stems, and branches. Phosphorus is essential for root development and aids in the production of flowers and fruits. Potassium, on the other hand, helps in the overall health and strength of the plant, making it more resistant to diseases and environmental stressors.

Apart from these primary nutrients, crape myrtle fertilizer should also contain trace elements such as iron, manganese, and zinc, which aid in the plant's metabolic processes. These micronutrients are essential for healthy growth, and their absence can lead to various deficiencies and diseases.

It's important to note that excessive use of fertilizer can be harmful to the plant and the environment. Therefore, it's crucial to follow the recommended dosage and frequency of application. A balanced crape myrtle fertilizer with the right nutrients can help the plant thrive and produce beautiful blooms all summer long.

What type of fertilizer is best for crape myrtles?

Crape myrtles are popular ornamental trees that produce beautiful flowers during the summer months. To ensure that your crape myrtles grow healthy and produce abundant flowers, it is important to fertilize them regularly. But what type of fertilizer is best for crape myrtles?

The best fertilizer for crape myrtles is a balanced fertilizer with a ratio of 1:1:1 or 2:1:1. This means that the fertilizer should contain equal or higher amounts of nitrogen, phosphorus, and potassium. Nitrogen is important for leaf growth and green color, phosphorus promotes flower production and root growth, while potassium helps the tree withstand drought and disease.

It is recommended to fertilize crape myrtles in early spring before new growth appears and again in late spring or early summer. Avoid fertilizing in the fall as it can cause the tree to produce new growth that is susceptible to winter damage.

When applying fertilizer, be sure to follow the instructions on the package and apply it evenly around the tree's drip line. Over-fertilizing can damage the tree and cause excessive growth, so it is important to use the recommended amount.

In summary, a balanced fertilizer with a ratio of 1:1:1 or 2:1:1 is the best type of fertilizer for crape myrtles. Fertilize in early spring and again in late spring or early summer, following the instructions on the package and avoiding over-fertilization.

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