Ching Chiang Shanghai

SKU: MU528
Also known as Shanghai Pac Choi, this is a beautiful little vase-shaped plant. This early baby pac choi is mild and tender with medium-green leaves on pale-green, spoon-shaped stalks (petioles). Read More

Exposure Full-sun to partial shade

Matures in 45 days

Season Cool season

Seed type OP ?

Average Seeds Per Gram 462 ?

Ching Chiang Shanghai has a rating of 4.5 stars based on 6 reviews.
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Ching Chiang Shanghai

Product Details

Brassica oleraceae var. chinensis. Also known as Shanghai Pac Choi, this is a beautiful little vase-shaped plant. This early baby pac choi is mild and tender with medium-green leaves on pale-green, spoon-shaped stalks (petioles). Bred to be tolerant to heat, rain, cold, and dampness. Ching Chiang Shanghai pac choi seeds are a great variety for early spring planting under cover and for late summer plantings in mild-winter areas. Harvest when 15cm (6") tall.

Quick Facts:

    • Mild and tender
    • Medium green leaves
    • Tolerant to heat, rain, cold
    • Open-pollinated seeds
    • Matures in 45 days

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All About Ching Chiang Shanghai

Latin

Latin
Brassica rapa chinensis
Family: Brassicaceae

Difficulty

Difficulty
Easy

We Recommend

We Recommend: Mei Qing Choi (MU553). For growers particularly, this hybrid variety is surprisingly uniform in timing and growth. The plants are beautiful and upright with crisp stems and very good flavour. It works well in the home garden, but sow short rows repeatedly, or you’ll be overwhelmed by it all coming at once.
For Urban Gardeners: Toy Choi (MU522) works very well in containers and raised beds. It’s compact to the point of being cute, but tastes wonderful raw or cooked. Very nice, crunchy, succulent stems.

Season & Zone

Season & Zone
Season: Cool season
Exposure: Full sun to partial shade

Timing

Timing
All are cool season plants that grow quickly and then bolt. Direct sow with frost protection (a cloche or heavy row cover) as early as late winter, or without protection from four weeks before the last frost date to eight weeks after. Sowing short rows every 2-3 weeks allows for a fairly constant harvest time. Sow again in late summer, and provide frost protection as the first frost date approaches.

Starting

Starting
Sow 3-4 seeds 5mm-1cm (¼-½”) deep in each spot you want a plant to grow. Thin to the strongest plant at a spacing of 15-20cm (6-6″) between plants in rows 30-45cm (12-18″) apart.

Days to maturity

Days to maturity: From direct sowing.

Growing

Growing
Ideal pH: 6.0-6.8. 1 cup of complete organic fertilizer will provide sufficient nutrition to 3m (10′) of row. Choi Sum is harvested just before it flowers, so keep a close watch on each row. Pac Choi can be harvested at any stage, but if you want full-sized plants, watch for signs of bolting. Flower buds will appear at the centre of each plant, and a stem will form quickly as the plant turns from urn-shaped into a tall cone. Harvest as quickly as possible once flower buds are visible. Keep plants well-watered throughout their growth.

Harvest

Harvest
Use a sharp knife to cut the plants at ground level when they are ready to harvest. They will not grow back like some other crops, so plant several short rows every couple of weeks for a longer harvest.

Seed Info

Seed Info
In optimal conditions at least 70% of seeds will germinate. Usual seed life: 3 years. Per 100′ row: 260 seeds, per acre: 114M seeds.

Diseases & Pests

Diseases & Pests
Slugs and woodlice (sow bugs) may nibble young seedlings. Keep the garden free from debris and excess water, where both of these pests like to go during the day. Protect plants from flea beetles and cabbage moths with lightweight row cover.

How to Grow Pac Choi and Choi Sum

Step 1

Timing

All are cool season plants that grow quickly and then bolt. Direct sow with frost protection (a cloche or heavy row cover) as early as late winter, or without protection from four weeks before the last frost date to eight weeks after. Sowing short rows every 2-3 weeks allows for a fairly constant harvest time. Sow again in late summer, and provide frost protection as the first frost date approaches.

Step 2

Starting

Sow 3-4 seeds 5mm-1cm (¼-½”) deep in each spot you want a plant to grow. Thin to the strongest plant at a spacing of 15-20cm (6-6″) between plants in rows 30-45cm (12-18″) apart.

Step 3

Growing

Ideal pH: 6.0-6.8.

1 cup of complete organic fertilizer will provide sufficient nutrition to 3m (10′) of row. Choi Sum is harvested just before it flowers, so keep a close watch on each row. Pac Choi can be harvested at any stage, but if you want full-sized plants, watch for signs of bolting. Flower buds will appear at the centre of each plant, and a stem will form quickly as the plant turns from urn-shaped into a tall cone. Harvest as quickly as possible once flower buds are visible. Keep plants well-watered throughout their growth.

Step 4

Germination

Days to maturity: From direct sowing.

In optimal conditions at least 70% of seeds will germinate. Usual seed life: 3 years. Per 100′ row: 260 seeds, per acre: 114M seeds.

Step 5

Harvest

Use a sharp knife to cut the plants at ground level when they are ready to harvest. They will not grow back like some other crops, so plant several short rows every couple of weeks for a longer harvest.

Tips

Disease & Pests

Slugs and woodlice (sow bugs) may nibble young seedlings. Keep the garden free from debris and excess water, where both of these pests like to go during the day. Protect plants from flea beetles and cabbage moths with lightweight row cover.

Customer Reviews & Questions