Opaal
Variety
Opaal
Approved Data
created by Theresa W. at 25.04.2021
Features
Color
white
Location
Greenhouse
Season Overview
Propagating
Planting
Harvest
J
F
M
A
M
J
J
A
S
O
N
D
Description
One of the earliest Dutch varieties, the plants are suitable for greenhouse, foil tunnel and outdoor. The heads, well covered by leaves, are firm, round, snow-white and weigh about 1kg.
Non hybrid
Not frost resistant
Growing tips
No growing tips available for this plant.
Details
Light requirement
Sunny
Water requirement
Very humid
Soil
Medium (loamy)
Nutrient requirement
High
Seeding distance
50 cm
Row spacing
50 cm
Seeding depth
1 cm
Companion Plants
Artichoke
Aubergine / Eggplant
Bean (Broad bean / Faba bean / Field bean)
Bean (Dwarf bean)
Bean (Runner bean)
Beetroot
Black salsify
Borage
Caraway / Meridian fennel / Persian cumin
Carrots
Celery (Celeriac / Celery root)
Celery (Celery)
Chamomile
Chard
Chili
Common marigold
Coriander / Cilantro
Cucumber / Gherkin
Dill
Leeks
Lettuce (Endive / Escarole / Erisée)
Lettuce (Lamb's lettuce)
Lettuce (Lettuce)
Lettuce (Radicchio / Italian chicory)
Mint
Oregano
Parsnip
Pea
Pepper / Paprika
Phacelia / Scorpionweed / Heliotrope
Physalis
Potato
Radish
Radishes
Rhubarb
Sage
Soybean
Spinach (Summer)
Thyme
Antagonistic Plants
Arugula / Rocket
Broccoli
Brussels sprouts
Cabbage (Cabbage)
Cabbage (Savoy cabbage)
Chives
Collard greens (Kale)
Collard greens (Tuscan kale / Dinosaur kale / Palm tree kale)
Florence fennel / Finocchio
Garlic
Horseradish
Jerusalem artichoke / Topinambur
Kohlrabi / German turnip / Turnip cabbage
Lovage
Mizuna / Japanese mustard greens
Napa cabbage / Chinese cabbage
Okra
Onion
Onion (Spring onion)
Pak Choi
Rutabaga / Swedish turnip
Strawberry
Turnip
Diseases
Soft rot
Club root of cabbage
Pests
Cabbage white
Cabbage fly
Cabbage heart midge
