Seasonal calendar · Cotinus coggygria

European Smoketree, AKA Venetian Sumach

The year for this species, phase by phase — what to watch and what to do as the season turns.

  • Late Dormancy02-15–03-10
  • Early Spring03-11–04-15
  • Mid Spring04-16–05-10
  • Late Spring05-11–05-31
  • Early Summer06-01–06-30
  • Mid Summer07-01–08-10
  • Late Summer08-11–08-31
  • Early Fall09-01–09-30
  • Mid Fall10-01–10-31
  • Late Fall11-01–11-15
  • Early Winter11-16–12-31
  • Mid Winter01-01–01-31
  • Late Winter02-01–02-14

Filter by concern

Watering

Daily or twice daily during heat waves.

Fertilization

Use low-nitrogen or potassium-rich feed to support wood maturity.

Pruning

Avoid heavy pruning; light shaping only.

Wiring

Adjust or remove wires if swelling occurs.

Defoliation

Avoid—stress and heat reduce recovery capacity.

Bud Shoot Management

Use pruning to redirect energy subtly.

Pests Disease

Watch for mites, mildew, and leaf scorch.

Summer Protection

Maintain shade and consistent moisture.

Wound Management

Delay major work; focus on healing conditions.

Deadwood Carving

Avoid due to high sap activity.

Propagation

Continue semi-hardwood cutting propagation.

Development

Focus on subtle shape control; avoid stressing the tree.

Display

Still showy if healthy, but heat stress may affect appearance.

Paths onward

This speciesEuropean Smoketree, AKA Venetian SumachBack to the folio — care sheet and year-wheel.The yearThe CalendarAll thirteen phases across every species at once.ReferenceThe Species LibraryA folio for every species the garden knows.
Mossy Spot · PNW · Zone 8bgrow slowly
Mossy Spot❧The Species Library❧European Smoketree, AKA Venetian Sumach❧Seasonal calendar
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