J
Ornamentals
Forsythia
Forsythia × intermedia
A shrub that covers itself in yellow flowers before leafing out in late winter, heralding spring.
- Light
- Full sun (6 h or more)
- Height
- 2–3 m
- Watering
- Moderate: 2–3 times a week in summer
- Soil
- undemanding
- Edible?
- No: ornamental
- How to plant
- Dig a hole twice the root ball; 1.5 m apart. Water well the first summer.
- Care
- Prune right after flowering, removing a third of the old stems; winter pruning cuts off the flowers.
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 coastDifficultToo warm a climate
- Mild MediterraneanNeeds regular careHot, dry summers
- Southern interiorNeeds regular careExtreme summer heat
- Continental interiorEasy
- Cold interior and uplandsEasy
- AtlanticEasy
- Canary Islands (subtropical)Not recommended outdoorsNo winter chill
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