0Quercus petraea
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Tips & experience from members
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How members water it
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How it thrives
Watermedium
Lightfull sun
Humiditylow
Min. temperature-30 °CJanuary
Only very rarely, a little water so the roots don’t dry out completely.
No feeding now.
It can stay outside. Wrap the pot (hessian, polystyrene) and keep it against the house wall, out of the rain.
February
Only very rarely, a little water so the roots don’t dry out completely.
No feeding now.
It can stay outside. Wrap the pot (hessian, polystyrene) and keep it against the house wall, out of the rain.
March
Gentle start: the first small drink once you see buds or new growth and it warms up.
First weak dose at the end of the month if it is actively growing.
The sunniest window (south or west).
Move it somewhere brighter and warmer and end wintering. Get it used to strong sun gradually.
April
When the top 2–3 cm of soil are dry.
Liquid feed every 2–3 weeks.
The sunniest window (south or west).
May
When the top 2–3 cm of soil are dry.
Liquid feed every 2–3 weeks.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
June
When the top 2–3 cm of soil are dry – more often in heatwaves, preferably in the evening.
Liquid feed every 2–3 weeks.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
Above 35 °C, shade it at midday to prevent sunburn.
July
When the top 2–3 cm of soil are dry – more often in heatwaves, preferably in the evening.
Liquid feed every 2–3 weeks.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
Above 35 °C, shade it at midday to prevent sunburn.
August
When the top 2–3 cm of soil are dry – more often in heatwaves, preferably in the evening.
Liquid feed every 2–3 weeks.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
Above 35 °C, shade it at midday to prevent sunburn.
September
When the top 2–3 cm of soil are dry.
No feeding now.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
October
Taper off gradually: very little by the end of the month.
No feeding now.
The sunniest window (south or west).
Move it to its cool, bright winter spot and taper off watering. Log it with one click in the Care hub.
November · now
Only very rarely, a little water so the roots don’t dry out completely.
No feeding now.
It can stay outside. Wrap the pot (hessian, polystyrene) and keep it against the house wall, out of the rain.
December
Only very rarely, a little water so the roots don’t dry out completely.
No feeding now.
It can stay outside. Wrap the pot (hessian, polystyrene) and keep it against the house wall, out of the rain.
Quercus tip: Plant it young in its final spot due to its deep taproot; acorns are toxic to horses and dogs.
Acorns and young leaves cause kidney failure in quantity (cattle, horses). Pigs tolerate them.
Sessile oak – what to know
Sessile oak (Quercus petraea) – family: Fagaceae, genus: Quercus. Care guidelines: light: full sun; water: medium; min. -30 °C. For cats: mildly toxic; for dogs: mildly toxic. Keep it out of reach and call a vet straight away if you suspect poisoning.
All Quercus species in the catalog →Detailed toxicity data →
Frequently asked questions
How often should I water Sessile oak?
Moderately: water when the top 2–3 cm of soil is dry, and never let it sit in standing water.
How much light does Sessile oak need?
It needs plenty of direct sun – the sunniest window, or outdoors in summer, suits it best.
How cold can Sessile oak get?
Frost-hardy to about -30 °C – it can overwinter outdoors in many climates.
Is Sessile oak toxic to cats and dogs?
For cats: mildly toxic; for dogs: mildly toxic. Keep it out of reach and call a vet straight away if you suspect poisoning.
What members’ data shows
When does it really bloom?
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Average watering interval
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Questions about this species
Quercus
Care data is for guidance only.
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