Ruby Perfection Cabbage
Ruby Perfection Cabbage is a hybrid brassica variety (Brassica oleracea var. capitata). Harvest begins around day 85; seed germinates in 5-10 days. Set plants 15-18 inches apart. Grow in soil pH 6.0-6.8, zones 6-9, full sun to partial shade (4-6+ hours). Plants reach 10-24 inches. It will crop in a container. Hybrid seed does not come true, so it has to be bought fresh each season rather than saved.
Sowing
Start indoors 6-8 weeks before last frost or direct sow 3-4 weeks before last frost. For fall crop, sow 14-16 weeks before first fall frost.
Cultivation
- Sun
- Full sun to partial shade (4-6+ hours)
- Water
- 1-1.5 inches per week, consistent moisture
- Soil
- Fertile, well-drained soil with good organic content
- Soil pH
- 6.0-6.8
- Spacing
- 15-18 inches
- Height
- 10-24 inches
- Season
- Warm season annual
Appearance & flavour
- Colour
- Deep purple-red
- Size
- 3 1/2 lb.
- Shape
- Round, dense, well-wrapped heads
- Flavour
- Sweet and mild with a slight peppery bite, more tender than most red varieties
In the kitchen
Fresh slaws, pickling, braising, roasting, fermentation, garnish
Pests, disease & resistance
- Pests
- Cabbage worms, aphids, flea beetles, diamondback moths
- Diseases
- Black rot, clubroot, downy mildew, bacterial soft rot
- Resistance
- Good resistance to splitting and tipburn
Planting calendar by USDA zone
| Zone | Start indoors | Transplant | Direct sow | Harvest |
|---|---|---|---|---|
| 1 | April – May | June – July | June – July | August – September |
| 2 | April – May | June – July | May – July | August – September |
| 3 | March – April | May – June | May – June | July – October |
| 4 | March – April | May – June | April – June | July – October |
| 5 | February – March | April – May | April – May | July – November |
| 6 | February – March | April – May | April – May | June – November |
| 7 | February – March | April – May | March – May | June – November |
| 8 | January – February | March – April | March – April | May – December |
| 9 | January | February – March | February – March | April – December |
| 10 | January | February – March | January – March | April – December |
| 11 | January | January – February | January – February | March – December |
| 12 | January | January – February | January – February | March – December |
| 13 | January | January – February | January – February | March – December |
Companion planting
8 beneficial pairings indexed for this variety, 3 to avoid.
Avoid
Nutrition (per 100 g)
- Calories (per 100 g)
- 25
- Protein (g)
- 1.28
- Fat (g)
- 0.1
- Carbohydrate (g)
- 5.8
- Fibre (g)
- 2.5
- Sugars (g)
- 3.2
- Vitamin A (µg)
- 5
- Vitamin C (mg)
- 36.6
- Vitamin E (mg)
- 0.15
- Vitamin K (µg)
- 76
- Vitamin B6 (mg)
- 0.124
- Folate (µg)
- 43
- Calcium (mg)
- 40
- Iron (mg)
- 0.47
- Magnesium (mg)
- 12
- Phosphorus (mg)
- 26
- Potassium (mg)
- 170
- Zinc (mg)
- 0.18
- Selenium (µg)
- 0.3
Where to buy seed and equipment
Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.
Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.
Grown Ruby Perfection Cabbage?
Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.
Similar varieties
Other brassicas with a comparable time to harvest, so a season that suits Ruby Perfection Cabbage suits these too.
- Premium Crop Broccoli 82 days
- Kossak 80 days
- Graffiti 80 days
- Puntoverde 78 days
- Red Acre Cabbage 76 days
- Cabbage 'Red Express' 76 days