J
Vegetables
Rhubarb
Rheum × hybridum

A perennial with sour red stalks for pies and compotes; needs cold winters. The leaves are toxic.
- Light
- Partial shade
- Height
- 0.6–1 m
- Watering
- Moderate: 2–3 times a week in summer
- Soil
- fertile, rich in organic matter
- Edible?
- Yes: the white stem
- How to plant
- Plant pieces with 2–3 eyes 3–5 cm cm deep, 1 m apart.
- Care
- Plant the crown in winter with plenty of manure. No harvest in year one; then pull stalks April–June, never more than a third.
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
Pest prevention and doses
Mild Mediterranean
Not needed.
How easy to grow by climate
- Warm coastNot recommended outdoorsToo warm a climate
- Mild MediterraneanDifficultHot, dry summers
- Southern interiorNot recommended outdoorsExtreme summer heat
- Continental interiorEasy
- Cold interior and uplandsEasy
- AtlanticEasy
- Canary Islands (subtropical)Not recommended outdoorsNo winter chill
Plants in the same category
- Tomato
- Pepper
- Aubergine
- Courgette
- Cucumber
- Green bean
- Lettuce
- Garlic
- Onion
- Broad bean
- Pea
- Carrot
- Spinach
- Broccoli
- Potato
- Pumpkin
- Melon
- Watermelon
- Swiss chard
- Leek
- Cauliflower
- Radish
- Globe artichoke
- Sweetcorn
- Okra
- Basil
- Oregano
- Spearmint
- Dill
- Parsley
- Cabbage
- Black-eyed pea
- Beetroot
- Florence fennel
- Celery
- Rocket (arugula)
- Chicory greens
- Amaranth greens
- Purslane
- Chickpea
- Lentil
- Santorini fava
- Kohlrabi
- Caper
- Thyme
- Sage
- Lemon verbena
- Sweet marjoram
- Saffron crocus
- Portuguese kale (couve-galega)
- Turnip greens (grelos)
- Coriander (cilantro)
- Dry beans
- Piri-piri chilli
- Sweet potato
- Watercress
- Chayote
- Taro
- White lupin
- Pennyroyal
- Asparagus
- Cavolo nero (Tuscan kale)
- Savoy cabbage
- Cardoon
- Lamb's lettuce (corn salad)
- Shallot
- Brussels sprouts
- Jerusalem artichoke
- Chives
- Lemon balm
- Savory
- Turnip
- Parsnip
- Black salsify (scorzonera)
- Sorrel
- Chervil
- Tarragon
- Celeriac