SUMMER FLOWERING SHRUBS WHICH SHOULD BE PRUNED BEFORE SPRING GROWTH BEGINS
|
Scientific Name
|
Common Name
|
| Buddleia |
Butterflybush |
| Cotinus coggyria |
Smokebush |
| Hibiscus syriacus |
Shrub-althea, Rose-of-Sharon |
| Hydrangea |
P.G. Hydrangea Annabelle, Showhill |
| Hypericum kalmianum |
Goldflower |
| Potentilla fruticosa |
Cinquefoils |
| Ribes odorata |
Flowering Currant |
| Rosa |
Hybrid tea, granda-flora , floribunda |
| Sambucus |
Elderberry |
| Soraria |
False Spirea |
SHRUBS WHICH MAY BE PRUNED BOTH BEFORE AND AFTER BLOOM
|
Scientific Name
|
Common Name
|
| Cornus stolonifera |
Red Osier dogwood |
| Cotoneaster apiculata |
Cranberry cotoneaster |
| Cotoneaster diaricata |
Spreading cotoneaster |
| Cotoneaster multiflora |
Multiflora cotoneaster |
| Mohonia aquifolium |
Oregon hollygrape |
| Spiraea bumalda |
Anthony Waterer and Frobel spirea |
| Symphoricarpos albus |
Snowberry |
| Symphoricarpos chenaultii |
Chenault coralberry |
| Weigela florida |
Rose Weigela |
PLANTS THAT HAVE SAP FLOW WHEN PRUNED IN SPRING PRUNE IN WINTER OR EARLY SUMMER
|
Scientific Name
|
Common Name
|
| Betula spp. |
Birches |
| Parthenocissus tricuspidatus |
Boston Ivy |
| Roinia pseudoacacia |
Black Locust |
| Magnolia spp. |
Magnolia |
| Acer spp. |
Maples |
| Populus spp. |
Poplars |
SPRING FLOWERING TREES AND SHRUBS WHICH SHOULD BE PRUNED AFTER FLOWERING
|
Scientific Name
|
Common Name
|
| Amelanchier |
Shadblow, Serviceberries |
| Caragana |
Pea shrub |
| Chaenomeles |
Flowering quince |
| Deutzia |
Deutzia |
| Forsythia |
Forsythia |
| Kolkwitzia amabilis |
Beautybush |
| Ligustrum |
Privet |
| Lonicera |
Honeysuckle |
| Magnolia |
Magnolia |
| Malus |
Crab apple |
| Philadelphus |
Mock Orange |
| Prunus |
Flowering cherry, almond and plum |
| Rosa |
Climbers and shrub roses |
| Spirea vanhouttei |
Vanhoutte spirea |
| Syringa |
Common, Chinese and French lilacs |