Shrub Spacing Calculator

Shrub spacing depends on the specific shrub variety and your landscaping goals. Generally, spacing ranges from 2 to 8 feet apart. Compact shrubs like boxwoods may be planted closer together, while larger varieties like lilacs need more space. Consider mature size, sunlight, and local climate when determining the optimal spacing for your shrubs.

Certainly, here's a simple table illustrating recommended shrub spacing for various common shrubs. Please note that these are general guidelines, and spacing can vary based on factors such as the specific variety of shrub and your local climate:

Shrub Name	Recommended Spacing (in feet)
Boxwood	2-3
Forsythia	6-8
Hydrangea	3-5
Lilac	6-8
Rhododendron	4-6
Azalea	3-5
Spirea	3-4
Juniper	3-6
Arborvitae	3-5
Rose (Shrub)	2-3
Viburnum	5-8
Weigela	4-6
Mock Orange	4-6
Butterfly Bush	5-7
Barberry	3-4
Holly	4-6
Privet	4-6
Smokebush	6-8
Ninebark	5-7
Witch Hazel	6-8
Spindle Tree	5-7
Elderberry	4-6
Beautyberry	5-7
Potentilla	2-3
Japanese Maple	6-10

Again, please remember that these are general recommendations, and it's essential to consider the specific shrub variety, local climate, and your desired landscape design when determining the exact spacing for your shrubs. Always consult the care instructions provided with the shrubs or consult with a local nursery or gardening expert for specific recommendations for your region.

FAQs

How do you measure shrub spacing? Shrub spacing is typically measured as the distance between the center of one shrub to the center of the next shrub when planting them in a row or in a bed.

What is the formula for plant spacing? The formula for plant spacing depends on the desired spacing and can be calculated using this formula:

Spacing (inches) = Bed Length (in inches) / Number of Plants

How far apart should informal shrubs be spaced? Informal shrubs are typically spaced farther apart than formal hedges. Depending on the shrub's mature size, spacing can range from 3 to 6 feet or more.

How many shrubs should you plant together? The number of shrubs to plant together depends on the desired appearance and the size of the planting area. Generally, informal groupings can consist of 3 to 5 shrubs for a natural look.

What happens if you plant shrubs too close together? If you plant shrubs too close together, they may compete for sunlight, nutrients, and water. This can lead to poor growth, disease, and an unattractive overcrowded appearance.

How wide should shrub beds be? The width of shrub beds can vary but is often at least 4 to 6 feet wide. Wider beds allow for better airflow and easier maintenance.

What is the spacing for perennials? Perennial spacing depends on the specific type and mature size of the perennial. Common spacing ranges from 6 inches to several feet between plants.

How do you measure plant spacing on center? Plant spacing "on center" refers to measuring the distance from the center of one plant to the center of the next. You use this measurement when evenly spacing plants in a row or grid.

What is row spacing in plants? Row spacing is the distance between rows of plants in a garden or field. It determines the arrangement of plants and affects access, irrigation, and cultivation.

How close to a fence should you plant a shrub? The distance to plant shrubs from a fence depends on the mature size of the shrub. Typically, a distance of 2 to 3 feet from the fence is suitable for most shrubs.

How far apart do you plant boxwoods? Boxwoods can be spaced 2 to 3 feet apart for a hedge, depending on the desired density and the specific variety of boxwood.

What is the average size of a shrub? The average size of a shrub can vary widely depending on the species and variety. Shrubs can range from a few feet to several meters in height and spread.

What is a common mistake when planting shrubs? A common mistake is planting shrubs too deep or too shallow, which can lead to root and health issues. It's important to plant them at the right depth.

What is the best month to plant shrubs? The best month to plant shrubs can vary by location and climate. In many regions, spring or fall is ideal when the weather is mild and there's enough moisture.

What is the gardening rule of 3? The gardening rule of 3 often refers to arranging plants in groups of 3 for a visually pleasing and balanced garden design.

Should plants touch each other? Plants should not be planted so closely that they touch each other, as this can lead to competition for resources and reduced air circulation, which may promote disease.

Can you plant a shrub next to a tree? Yes, you can plant a shrub next to a tree, but consider the tree's shade and root system when selecting shrubs that can thrive in that environment.

How far down do shrub roots go? Shrub root depths can vary by species, but generally, they extend into the soil to a depth of 12 to 24 inches or more.

How old is a 3-gallon shrub? A 3-gallon shrub typically represents a young plant, and its age can vary depending on growth conditions. It's often around 2 to 3 years old.

At what height does a shrub become a tree? The distinction between a shrub and a tree is not solely based on height but also on growth habit. Generally, a tree has a single main stem or trunk, while a shrub has multiple stems branching from the base.

When shrubs get too big? When shrubs outgrow their desired size, they may require pruning or renovation to maintain their shape and health.

What month is best to plant perennials? Perennials are often best planted in spring or early fall when the soil is workable and temperatures are mild.

Which perennials should not be divided? Some perennials, like peonies, resent being divided and may not bloom for a few years afterward. Research the specific perennial variety for division guidelines.

What are three signs that perennials need dividing? Three signs that perennials may need dividing include reduced flowering, overcrowding, and a declining or weakened appearance.

What happens if you plant flowers too close together? If you plant flowers too close together, they can compete for resources like sunlight, water, and nutrients, leading to stunted growth and reduced flowering.

Why do plants need to be spaced apart? Spacing plants apart ensures they have access to adequate resources like sunlight, water, and nutrients. It also helps prevent overcrowding and disease.

Does row spacing matter? Yes, row spacing matters in agriculture and gardening because it determines plant arrangement, access, and overall plant health.

What is the distance between plant to plant and row to row? The distance between plant to plant and row to row depends on the specific plant variety and desired spacing, which can vary widely.

How close to a property line can I plant shrubs? The distance to plant shrubs from a property line may be regulated by local ordinances or homeowner association rules. Check local regulations for guidance.

How far to plant evergreens from a fence? The distance to plant evergreens from a fence depends on the mature size of the evergreen. Typically, 2 to 3 feet from the fence is suitable.

Can I plant hydrangeas next to a fence? Yes, you can plant hydrangeas next to a fence, but consider the fence's shade and the hydrangea variety's specific sunlight requirements.

What can I plant in front of boxwoods? You can plant a variety of flowers, ground covers, or low-growing shrubs in front of boxwoods to add color and texture to your landscape.

Does trimming boxwoods make them grow faster? Regular trimming can encourage bushier growth in boxwoods but won't significantly increase their overall growth rate.

Can you plant boxwoods too close together? Yes, you can plant boxwoods too close together. It's important to follow spacing guidelines to prevent overcrowding and ensure healthy growth.

What is the difference between a shrub and a bush? "Shrub" and "bush" are often used interchangeably. Both refer to woody, perennial plants with multiple stems, but "shrub" is more commonly used in horticultural contexts.

Is a shrub bigger than a bush? No, there is no consistent size difference between a shrub and a bush. The terms are used interchangeably to describe similar woody plants.

What is a fast-growing large shrub? Some fast-growing large shrubs include the Forsythia, Privet, and Red-Tip Photinia. However, growth rates can vary by species and environmental conditions.

Should you plant shrubs next to the house? Shrubs can be planted next to a house, but it's essential to consider the mature size of the shrubs and leave enough space to prevent interference with the house structure.

Why are my newly planted shrubs dying? Newly planted shrubs can die due to factors like improper planting, inadequate watering, poor soil conditions, pests, or diseases.

What killed my shrubs? Shrubs can be killed by various factors, including disease, pests, poor soil, extreme weather, overwatering, underwatering, or improper care.

Is it better to water shrubs in the morning or evening? It's generally better to water shrubs in the morning. Morning watering allows the foliage to dry before evening, reducing the risk of fungal diseases.

How do you prepare soil for shrubs? To prepare soil for shrubs, you should amend it with organic matter, ensure good drainage, and test the soil for pH and nutrient levels to meet the shrub's needs.

Is it OK to plant shrubs in summer? Planting shrubs in summer can be challenging due to heat stress and the need for extra watering. It's often better to plant in spring or fall.

How many shrubs should you plant together? The number of shrubs to plant together depends on the desired appearance and the size of the planting area. Generally, informal groupings can consist of 3 to 5 shrubs for a natural look.

What should you not do when gardening? When gardening, avoid overwatering, planting invasive species, neglecting proper plant care, using excessive chemical pesticides, and ignoring local regulations.

Why do landscapers plant in odd numbers? Landscapers often plant in odd numbers because it creates a more visually appealing and balanced design, avoiding a symmetrical and unnatural appearance.

How do you layout a landscape plant? Laying out a landscape plan involves considering plant selection, spacing, focal points, and functional elements to create an aesthetically pleasing and functional design.

What plants do not like to be touched? Plants with delicate or sensitive foliage, like ferns or certain succulents, may not appreciate frequent touching, as it can damage their leaves.

How do you layer shrubs? Layering shrubs in a landscape design involves placing taller shrubs or trees in the background and gradually shorter ones in the foreground to create depth and visual interest.

Can I move a shrub I just planted? Moving a recently planted shrub can be done, but it's best to do it with care, minimizing root disturbance, and ensuring it receives proper care after transplanting.

What is a fast-growing shrub or tree? Fast-growing shrubs and trees include varieties like the Leyland Cypress, Willow, and Silver Maple, known for their rapid growth.

What is the best ground cover over tree roots? Ground covers like Vinca minor, Pachysandra, or Hostas can be suitable options for planting over tree roots to provide both aesthetics and erosion control.

How deep should you plant a shrub? Shrubs should be planted at the same depth as they were in the nursery container, with the top of the root ball level with the soil surface.

Do you break up the root ball when planting a shrub? Breaking up the root ball of a shrub is not necessary and can potentially harm the roots. It's best to gently loosen any circling roots and plant it as-is.

How high should bushes be? The ideal height for bushes depends on the specific type and variety. Some bushes are low-growing, while others can reach several feet in height.

How large is a 3-gallon shrub? A 3-gallon shrub typically represents a young plant and can vary in size, but it's generally around 1 to 3 feet tall with a similar spread.

How big is a 2-gallon shrub? A 2-gallon shrub is smaller than a 3-gallon shrub and may be around 1 to 2 feet tall with a similar spread.

How long does it take for a shrub to establish? The time it takes for a shrub to establish varies by species, growing conditions, and care, but it can take several months to a few years.

What happens if you plant shrubs too close? If you plant shrubs too close together, they may compete for resources like sunlight, nutrients, and water, leading to stunted growth and potential health issues.

Which perennials bloom all summer? Perennials that bloom throughout the summer include Black-Eyed Susans, Coneflowers, Daylilies, and Salvia, among others.

How far apart should perennials be planted? Perennials should be planted with spacing appropriate for their mature size and variety. Spacing can range from a few inches to several feet.