Photo: shrinkin'violet from Bristol, UK, CC BY 2.0, via Wikimedia Commons

Blooms on 1-year-old canes

• GrapeLate winter, dormant

Blooms on 1-year-old wood

• Peach, nectarine and plumLate winter to bloom (latest of the fruit trees)

Blooms on 2-year canes (floricanes); fall raspberries on 1-year canes

• Blackberry and raspberryRemove spent fruiting canes right after harvest; thin and tip in late

Blooms on foliage

• BoxwoodLate winter to spring; light shaping into early summer
• Hedges: privet, ligustrum, photinia, euonymusLate winter, then light shearing through early summer
• Junipers, arborvitae, yews (needled evergreens)Early spring before new growth, light trim in early summer
• NandinaLate winter, while dormant (before buds break)
• Pines and sprucesLate spring: pinch pine 'candles' as they elongate

Blooms on foliage (berries on old wood)

• Holly (evergreen)Late winter while dormant

Blooms on group 1 old wood; group 2 both; group 3 new wood

• Clematis (by group)Group 1: after spring bloom. Group 2: light late-winter trim. Group 3:

Blooms on n/a

• Elm (Dutch elm disease timing)Late winter, while dormant (before buds break)
• Maples, birches, walnut ('bleeders')Early summer after leaves are full (or late winter, accepting sap flow
• Oak (oak wilt timing)Midwinter dormant season (coldest months)
• Ornamental grassesLate winter before new growth
• PalmsRemove only fully brown fronds, any season; avoid in cold months
• Shade trees, general (structural)Late winter, while dormant (before buds break)

Blooms on new wood

• Butterfly bush (Buddleja)Early spring as new growth starts
• Crape myrtleLate winter, while dormant (before buds break)
• Glossy abeliaLate winter, while dormant (before buds break)
• Hydrangea, panicle (H. paniculata: Limelight, Quick Fire)Late winter, while dormant (before buds break)
• Hydrangea, smooth (H. arborescens: Annabelle, Incrediball)Late winter, while dormant (before buds break)
• Lantana, perennial salvias and other woody Southern perennialsRight after the last frost, as new growth starts
• Roses, hybrid tea and grandifloraLate winter/early spring as buds swell
• Roses, shrub and landscape (Knock Out®, Drift®)Late winter/early spring as buds swell
• Spirea, summer-blooming (Japanese, bumald)Late winter, while dormant (before buds break)

Blooms on old and new wood

• FigLate winter after cold damage shows

Blooms on old wood

• AzaleaWithin about 4 weeks after flowers fade
• BlueberryLate winter while dormant
• CamelliaWithin about 4 weeks after flowers fade
• Dogwood and redbudWithin about 4 weeks after flowers fade
• ForsythiaWithin about 3 weeks after flowers fade
• GardeniaWithin about 3 weeks after flowers fade
• Hydrangea, climbing (H. anomala petiolaris)Within about 4 weeks after flowers fade
• Hydrangea, oakleaf (H. quercifolia)Within about 4 weeks after flowers fade
• LilacWithin about 3 weeks after flowers fade
• LoropetalumWithin about 4 weeks after flowers fade
• MagnoliaWithin about 4 weeks after flowers fade
• RhododendronWithin about 3 weeks after flowers fade
• Spirea, spring-blooming (bridal wreath, Vanhoutte)Within about 3 weeks after flowers fade
• ViburnumWithin about 3 weeks after flowers fade
• WeigelaWithin about 3 weeks after flowers fade

Blooms on old wood (once-bloomers)

• Roses, climbing and once-blooming old rosesWithin about 3 weeks after flowers fade

Blooms on old wood (rebloomers also bloom on new wood)

• Hydrangea, bigleaf/mophead and lacecap (H. macrophylla)Within about 4 weeks after flowers fade

Blooms on old wood (spurs)

• Apple and pearLate winter, after the coldest weather
• WisteriaSummer (shorten whips) and late winter (spur back)

Blooms on spurs/old wood

• CherryLate winter to just before bloom

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