SUI CHOI. Wa Wa Sai cabbage seeds produce classic miniature napa cabbages or sui choi. The heads weigh approximately 500g each from spring or autumn sowing. And they are ready to harvest just 60 days from transplanting. Space plants around 20-30 cm apart in the row. They have a lovely sweet flavour and crisp texture that works so well with noodle dishes. Sui choi is dramatically reduced in volume when cooked. Remove the loose outer wrapper leaves to reveal a tightly packed urn-like oblong napa cabbage within. This is an excellent choice for making kimchi at home. Wa Wa Sai has high resistance to clubroot.
How To Grow, Timing: Sow indoors beginning in late winter and transplant outdoors from 2 weeks after the last frost date to early summer. Overwintering cabbage is sown outdoors during July where winters are mild. Optimal soil temperature: 10-30°C. Seeds should germinate in 7-10 days.
How To Grow, Starting: Sow 3 or 4 seeds per pot, 5mm deep, under very bright light. Thin to the strongest plant. Space transplants 45-60cm apart in rows 60-90cm apart.
How To Grow, Growing: Ideal pH: 6.5-7.0. Cabbage does best in humus-rich soil amended with composted manure. Mix ½ cup complete organic fertilizer into the soil beneath each transplant. If growth slows, side dress with a little more balanced organic fertilizer. Heads of early varieties can split from over-maturity, rapid growth after heavy rain, or irrigation after dry spells. Splits can be delayed by twisting the plant or cultivating deeply next to plants in order to break roots and slow growth. Fall and winter varieties stand in the garden longer without splitting. If direct sown, add 20-25 days to the maturity date.
If cabbages won’t form heads, it may be from an imbalance of too much nitrogen in the soil in relation to phosphorus. Cabbages require cool temperatures to form heads well. Hot weather can interfere with the development of heads.
How To Grow, Harvest: Cabbage heads are ready when they’re firm to the touch, and when the interior is fairly dense. Heads will split when they’re allowed to overly mature. Rapid growth due to excess watering and fertility will also cause splitting of the head. Plant early, mid-season and late varieties to spread out your harvest. Late varieties tend to be better for storage or for making sauerkraut. Early (summer harvest) varieties tend not to store as well.
Approx: 25 Seeds
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