J
Ornamentals
Cork oak
Quercus suber
An oak with cork bark, Portugal's national tree and the face of the Alentejo; for large plots.
- Light
- Full sun (6 h or more)
- Height
- 10–15 m
- Watering
- Low: every 7–15 days, drought-tolerant
- Soil
- acid, pH 4.5–5.5; loose and well-drained
- Edible?
- No: ornamental
- How to plant
- Dig a 60×60 cm hole with compost; 10 m from other trees. Water deeply after planting.
- Care
- Can't take lime. Cork can be stripped from about 25 years, then every 9 years, without harming the tree.
Calendar by climate
Warm coast
F
M
A
M
J
J
A
S
O
N
D
Mild Mediterranean
J
F
M
A
M
J
J
A
S
O
N
D
Southern interior
J
F
M
A
M
J
J
A
S
O
N
D
Continental interior
J
F
M
A
M
J
J
A
S
O
N
D
Cold interior and uplands
J
F
M
A
M
J
J
A
S
O
N
D
Atlantic
J
F
M
A
M
J
J
A
S
O
N
D
Canary Islands (subtropical)
J
F
M
A
M
J
J
A
S
O
N
D
SowPlantHarvestPruneFeedTreat
Dates are for growing outdoors, based on the local climate. In a greenhouse or tunnel everything comes earlier.
Feeding and doses
Mild Mediterranean
Not needed.
Pest prevention and doses
Mild Mediterranean
Not needed.
How easy to grow by climate
- Warm coastEasy
- Mild MediterraneanEasy
- Southern interiorEasy
- Continental interiorNeeds regular careFrost and a short season
- Cold interior and uplandsDifficultHard, long frosts
- AtlanticEasy
- Canary Islands (subtropical)Needs regular careNo winter chill
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