Do shrubs need fertilizer
Rachel Hunter
Published Apr 29, 2026
In nature, shrubs and trees survive without fertilizers because they’re growing in undisturbed soil and receive nutrients through the recycling of organic materials, such as fallen leaves, that decompose and release their nutrients to the plants.
Is it necessary to fertilize shrubs?
Fertilizer provides the nutrients that shrubs need to grow and thrive. However, too much fertilizer can be just as harmful as not enough, and shrubs rarely need to be fertilized every year. When you do fertilize them, the best time to do so is in the early spring or late fall.
How often should you fertilize your bushes?
It’s typically recommended to apply fertilizer in clay soil about every four to six weeks after planting. For plants growing in organic soil that’s rich with organic matter, only fertilize a little bit every three to four weeks.
What's a good fertilizer for shrubs?
A complete fertilizer, such as 16-4-8, 12-6-6 or 12-4-8, is generally recommended, unless the soil test reveals that phosphorus and potassium are adequate. Two kinds of fertilizers are available: fast-release and slow-release.When should I feed my shrubs?
Spring and summer are the best times to feed plants as this gives them good preparation for the growing season, although some organic fertilisers can be applied in late winter if they are slow releasing.
How do you fertilize new shrubs?
Fertilizing evergreen trees and shrubs Broadcast a granular fertilizer uniformly on the soil under the shrub and a little beyond the drip line of the shrub (refer to the illustration above). Use a maximum application rate of 2 to 3 pounds of nitrogen per 1000 sq. ft. and follow label directions.
How do you fertilize evergreen shrubs?
Also, evergreens prefer acidic soil, meaning it has a pH level below 7. So, if you have fertilizer on hand for acid-loving plants, use it. Otherwise, opt for a product with equal parts of the three macronutrients trees need: nitrogen (N), phosphorus (P) and potassium (K). Ideally, a 1:1:1 ratio is best.
Can you use lawn fertilizer on shrubs?
If the lawn fertilizer label says it will also kill broadleaf weeds it should never be used on or near shrubs. Do not use this type of fertilizer where it can be picked up by the roots of trees or shrubs, even if you are applying it to grass under or next to the trees or shrubs.Is Miracle Grow good for shrubs?
All trees and shrubs have different requirements for healthy growth, so they require different nutrients. … If you have a variety of trees and shrubs in your garden, you can use an all-purpose plant food like Miracle-Gro® Shake n Feed® Flowering Trees & Shrubs Plant Food, which will feed for up to 3 months.
Do you fertilize newly planted shrubs?Newly planted trees and shrubs lack the ability to absorb nutrients until they grow an adequate root system. … For established plants, apply fertilizer in spring before growth starts, or wait until mid-summer after shoot growth ceases, as root growth and maximum nutrient uptake occurs during these periods.
Article first time published onIs it better to fertilize in the morning or evening?
Applying fertilizer (and water) in the afternoon will cause the moisture in the soil that is preventing the lawn from burning to evaporate as the sun beats down on the lawn. … Fertilizing your lawn in the morning enables you to take advantage of cooler temperatures and morning dew to reduce the risk of burning the grass.
How do you make shrubs grow faster?
You can encourage new growth with light pruning in the spring and a second light pruning in mid-summer. Pruning results in additional growth and using shears over the entire shrub will encourage a denser and taller plant. You won’t need to prune off more than just an inch or two.
What do shrubs need to survive?
Plants, like all living things, have basic needs that must be met for them to survive. These needs include: light, air, water, a source of nutrition, space to live and grow and optimal temperature.
Do evergreens need nitrogen?
In general, evergreens need 2 to 4 pounds of nitrogen per 1,000 square feet of soil surface every two to four years to maintain growth. Mature or slow-growing evergreens require about 1 pound of nitrogen for every 1,000 square feet of soil surface every two to four years.
Do evergreen shrubs need fertilizer?
Evergreens require fertilizer that is high in nitrogen, as they keep their leaves or needles all year. They grow best in acidic soil, so be sure to choose a fertilizer specific to acid-loving plants.
Do evergreen trees need fertilizer?
Generally speaking, evergreen trees don’t require as much fertilizing as their deciduous cousins. … Fertilizer will help promote healthier, stronger trees and even propel them to grow a little faster. However, you have to make sure that you apply just enough fertilizer and at the right times.
How do you make evergreen trees greener?
Fertilize Lightly In very sandy areas or areas where the soil pH is more basic, your evergreens may have difficulty absorbing the nutrients they need. If your trees seem to be unnaturally pale green, they may need a little nitrogen. Never add fertilizer to the planting hole of your evergreens!
How do you care for newly planted shrubs?
Newly planted trees or shrubs require more frequent watering than established trees and shrubs. They should be watered at planting time and at these intervals: 1-2 weeks after planting, water daily. 3-12 weeks after planting, water every 2 to 3 days.
Should you fertilize shrubs in summer?
Late summer and early fall are the best times to fertilize shrubs and trees. … For indeterminate growth species, split applications of fertilizer—one in early summer and the other in the fall—are probably best.
When should hydrangeas be fertilized?
Generally, you should fertilize your hydrangeas in Spring just when it begins to leaf out to give it an early-season boost. Fertilize them a second time during the growing season of July. The fast-release fertilizers require application twice in summer.
Can you overfeed plants with Miracle Grow?
Can you overfeed plants with Miracle grow? Yes, it is possible to over-fertilize your plants using this or any other nourishing liquid. That’s why you should use the exact amount of it- not more not less than that.
What fertilizer is best for boxwoods?
Slow-release, balanced fertilizers are best for boxwood, and a granular form of urea fertilizer 10-6-4 is recommended. You also can use aged manure or cottonseed meal if your plant appears healthy, as long as you are making sure your boxwood has plenty of nitrogen.
Can I use Miracle-Gro on boxwoods?
Miracle-Gro Tree & Shrub Plant Food Spikes The premeasured spikes are simple to insert, and gardeners won’t need to worry about feeding their plants the correct amount. … Gardeners who use these plant food spikes will find that their boxwoods are full, rich in color, and have strong root systems.
Can you use fall lawn fertilizer on plants?
No, you should not use lawn fertilizer in your garden. Lawn fertilizer has a much different nutrient profile (content and ratio of nitrogen, phosphorus, and potassium) than garden fertilizer. Lawn fertilizer may also contain herbicides or pesticides, which can harm your plants or prevent pollination by killing bees.
Should I water plants after fertilizing?
Dry, timed-release, or slow-release nitrogen fertilizers, require water applied as quickly as possible — within 48 hours after application. … Instructions on containers might vary, but you should water deeply after fertilizing. Grass roots grow about 3 inches deep, so water should wet the ground down to that level.
How do you apply granular fertilizer to shrubs?
This technique, which provides nutrients to individual plants such as shrubs and perennials, is done by hand with granular fertilizers. Simply apply the fertilizer around the base of the plant, extending to the drip line. For vegetables, place the fertilizer in a strip parallel to the planting row.
When should I start fertilizing my outdoor plants?
Generally speaking, the best time to fertilize landscape plants is around the time they begin to grow actively. The worst time to fertilize plants is at the end of their growing season. Trees, for example, begin to wake up and grow in early spring, and typically are fertilized once in February or March.
Should I fertilize after transplanting?
Many gardeners wait 2 to 3 weeks after planting before fertilizing with liquid solutions; by then, the newly set-out plants should have recovered from any root damage. It is important to water plants thoroughly with plain water before applying the liquid fertilizer to avoid burning the roots if the soil is dry.
Can you put down fertilizer when it's hot?
Generally, you should not be grass fertilizing in hot weather. Overfertilizing can lead to the need to mow more often, and fertilizing at the wrong time can irreversibly damage your lawn.
Do I fertilize my lawn before or after rain?
Ideally, you should aim to fertilize about two days after rain or watering, and when the next heavy rainfall is at least two days away. It can be helpful to have some rain before and after fertilizing. Rain a couple of days before fertilizing keeps your yard moist and the turf healthy, receptive to the nutrients.
Does trimming shrubs encourage growth?
For the most part, pruning always stimulates growth, but how severely you prune a plant will depend on exactly what you want to happen. … Severe pruning (or cutting way back) will typically result in vigorous growth but light pruning will allow slower growth.