J
Vegetables
Asparagus
Asparagus officinalis
A perennial: plant the crowns once and it gives spears every spring for 10–15 years.
- Light
- Full sun (6 h or more)
- Height
- 1–1.5 m
- Watering
- Moderate: 2–3 times a week in summer
- Soil
- loose and well-drained; fertile, rich in organic matter
- Edible?
- Yes: the white stem
- How to plant
- Plant pieces with 2–3 eyes 15–20 cm cm deep, 40 cm apart.
- Care
- Don't harvest in year one and only for a few weeks in year two. Let the ferns grow in summer and cut them when dry in autumn.
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
- Well-rotted manureFeb4–6 kg / m²
- Organic granular fertiliserJun50–80 g / m²
Pest prevention and doses
Mild Mediterranean
Not needed.
How easy to grow by climate
- Warm coastNeeds regular careToo warm a climate
- Mild MediterraneanEasy
- Southern interiorNeeds regular careExtreme summer heat
- Continental interiorEasy
- Cold interior and uplandsNeeds regular careHard, long frosts
- AtlanticNeeds regular careRain and humidity: fungal disease
- Canary Islands (subtropical)DifficultNo winter chill
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