How to Grow Shrubs
Wikimedia Commons
Shrubs
Various species (Woody plants, generally 3-15 feet tall)
shrubShrubs are woody plants that are smaller than trees, typically ranging from 3 to 15 feet in height with multiple stems branching from the base. They are versatile landscape plants that provide structure, color, texture, and wildlife habitat in gardens and can be deciduous or evergreen. Shrubs serve as borders, screens, focal points, and foundation plantings in residential and commercial landscapes.
When should you plant Shrubs in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Shrubs timeline · Pittsburgh, PA (Zone 6b)
-
Plant Shrubs
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
Harvest Shrubs
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Shrubs dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Varies by species; many popular ornamental shrubs thrive in zones 4-9, with tender varieties in zones 9-11 and cold-hardy species in zones 2-4
Sign up free to see if Shrubs grows in your zone — and get a personalized planting timeline.
Get my Shrubs timeline →Growth Stages
Establishment (First Year)
3-6 monthsYoung shrub with developing root system; foliage may appear stressed or lighter in color as roots establish in new soil
Water regularly (2-3 times weekly in absence of rain), apply 2-3 inches of mulch around base (keep away from stem), avoid fertilizing heavily, prune only damaged branches
Vegetative Growth (Years 1-3)
2-3 yearsShrub develops stronger stem structure and fuller branching; height and width increase noticeably each year
Water consistently, apply slow-release fertilizer in spring, light pruning to shape, remove crossing or weak branches, extend mulch circle as shrub grows
Flowering/Fruiting (Varies by species)
2-8 weeks depending on speciesMany shrubs produce flowers and/or fruit as they mature; ornamental shrubs showcase blooms in spring, summer, or fall
Deadhead spent flowers to encourage more blooms, apply balanced fertilizer, ensure adequate water during blooming, note post-bloom pruning timing (species-specific)
Mature Growth (Years 3+)
OngoingShrub reaches near full size; growth slows; established root system supports year-round vigor
Prune annually (late winter or after flowering depending on type), fertilize lightly in spring, water during drought, monitor for pests/disease, rejuvenate with selective pruning every 3-5 years
Dormancy (Fall/Winter for deciduous shrubs)
3-4 monthsDeciduous shrubs lose leaves; sap moves to roots; plant enters rest period; evergreen shrubs maintain foliage but slow growth
Reduce watering, do not fertilize, avoid pruning (except for safety), allow mulch to insulate roots, monitor for winter damage or pest overwintering
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Spray with strong water spray, apply insecticidal soap, use neem oil, encourage beneficial insects like ladybugs
-
Increase humidity, spray with water, apply neem oil or insecticidal soap, prune heavily infested branches
-
Prune infested branches, apply horticultural oil in dormant season, use systemic insecticide if severe
-
Improve air circulation with pruning, apply sulfur or baking soda spray, use fungicides if necessary, remove infected leaves
-
Remove infected leaves, improve drainage and air circulation, avoid overhead watering, apply fungicide if widespread
-
Install fencing (6-8 feet), use deer repellent sprays, plant deer-resistant varieties, use motion-activated sprinklers
Uses
Landscape and Ornamental Design
HouseholdShrubs form the backbone of landscape design, providing year-round structure, color through foliage and blooms, and privacy screening. They define garden spaces, soften hardscaping, and create visual interest in residential and commercial properties. [source]
Wildlife Habitat and Pollinator Support
WildlifeFlowering and fruiting shrubs provide nectar and pollen for bees, butterflies, and other pollinators, while berries and seeds feed birds and small mammals. Dense shrubs offer shelter and nesting sites for wildlife. [source]
Edible Berries and Fruits
CulinaryMany shrubs produce edible berries such as blueberries, blackberries, elderberries, and serviceberries that can be eaten fresh, frozen, or made into jams and preserves. [source]
Herbal and Medicinal Shrubs
MedicinalShrubs like Elderberry, Arnica, and Witchhazel have traditional and modern medicinal uses, producing compounds used in herbal remedies and natural health products. [source]
Cut Flowers and Decorative Branches
CraftFlowering shrubs like Lilac, Hydrangea, and Viburnum provide elegant cut flowers for arrangements, while branches with interesting bark, berries, or foliage are prized for floral and craft projects. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Shrubs are not typically 'harvested' like vegetables; instead, they are pruned for shape and health. Prune deciduous shrubs in late winter (before growth resumes), prune spring-flowering shrubs immediately after blooming, and prune summer-flowering shrubs in late winter. Remove dead, diseased, or crossing branches anytime. Cut just above an outward-facing bud at a 45-degree angle. For berries or ornamental fruit, allow blooms to develop undisturbed and prune after fruit matures.
Fun Facts
- 🌱 The oldest living shrub is a clonal colony of Creosote Bush (Larrea tridentata) in the Mojave Desert, estimated to be over 9,000 years old and weighing 6,600 pounds.
- 🌱 Many popular hedge and screening shrubs, like Privet and Boxwood, can live for over 100 years with proper care and pruning.
- 🌱 Shrubs have been selectively bred for centuries; the azalea alone has thousands of cultivars developed from a handful of wild species, showing the remarkable diversity possible through horticulture.
Gardening Terms
New to gardening? Learn about terms used in this guide:
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Shrubs planting timeline
Tell us your zip code and we'll calculate exactly when to start Shrubs seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.
Get my Shrubs timeline →