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Leaf and stem vegetable
Brassicaceae
Organic leafy vegetable seeds
Organic 'Kailaan' Chinese broccoli
Brassica oleracea Alboglabra Group
Product code : BIOVO-0011
Organic kailaan, also called gai lan or Chinese broccoli, belongs to the Brassica oleracea Alboglabra Group. It forms smooth blue-green leaves, thick tender stems, and small flower buds rather than one large broccoli head. Sow in spring or late summer in fertile, well-drained soil and keep moisture even while shoots develop. Allow approximately 25 to 30 cm (10 to 12 in) between plants, and install insect netting early to limit flea beetles and caterpillars. Harvest the main shoot while its buds remain tight, leaving the base and several leaves for possible side shoots. Steam or stir-fry the stems first, then add the leaves so both parts retain a pleasant texture.
- Exposure
- Sun to partial shade
- Life cycle
- Annual grown as a cool-season vegetable
Discover the plant
Common nameChinese broccoli, kai-lan, gai lan, kailaan
FamilyBrassicaceae
GenusBrassica
Speciesoleracea
CultivarKailaan
TypeLeaf and stem vegetable
Botanical nameBrassica oleracea Alboglabra Group
Organic 'Kailaan' Chinese broccoli (Brassica oleracea Alboglabra Group), also called kai-lan or gai lan, is an Asian leafy vegetable grown for thick stems, smooth blue-green leaves, and young flowering shoots. Its flavour resembles broccoli but is stronger and lightly bitter. Leaves, tender stems, and small buds are harvested together before flowering advances too far. This organic seed adds a crop quite different from conventional large-headed broccoli to the garden. It suits stir-fries, steaming, soups, and side dishes, especially when stems remain young and crisp. The whole tender shoot can be prepared, reducing waste and making successive small harvests practical.
Sow in spring or late summer in fertile, organic-rich, well-drained soil and maintain even moisture. During hot periods, light afternoon shade helps limit stress and premature bolting. Sow approximately 1 cm (3/8 in) deep, then thin or transplant to leave about 25 to 30 cm (10 to 12 in) between plants. Apply mulch after soil has warmed. Moderate nitrogen supports leafy growth, but excess can make tissues overly soft. Monitor flea beetles, aphids, and brassica caterpillars; insect netting installed early provides useful physical protection. Rotate brassicas with unrelated crops and remove badly diseased debris after harvest to reduce recurring problems.
Harvest when stems are firm and tender and flower buds are formed, ideally before many flowers open. Cut the main stem with a clean knife while leaving the base and several leaves; secondary shoots may then develop when conditions remain favourable. Cool the harvest promptly to preserve texture. In the kitchen, separate thick portions from leaves so they can begin cooking slightly earlier. A quick stir-fry with garlic and ginger or gentle steaming highlights kailaan flavour. Wash leaves thoroughly, remove damaged portions, and cook according to the chosen preparation. Refrigerate unused shoots promptly and use them while the stems remain crisp and the leaves fresh.
Sowing guide
It all startswith a seed.
Sowing depth
Approximately 1 cm (3/8 in)
Spacing / density
Space approximately 25 to 30 cm (10 to 12 in) apart
Germination temperature
Approximately 10 to 24 °C (50 to 75 °F)
Germination time
Approximately 5 to 14 days; cool soil may place emergence near the slower end of the range.
Sowing period
Spring and late summer; successive sowings possible in cool weather
Propagation
Direct sow, or transplant young seedlings started indoors.
Growing method
Growing 'Kailaan — Alboglabra Group' broccoli from seed. Sow in spring as soon as soil can be worked or in late summer for an autumn harvest. Place seed approximately 1 cm (3/8 in) deep in fertile soil amended with compost and draining freely. Maintain even moisture until emergence, then thin to 25 or 30 cm (10 to 12 in). To advance the season, start young plants indoors and transplant before they become crowded. Install insect netting immediately after sowing or planting to limit flea beetles and caterpillars. Water at soil level when the surface begins to dry and mulch after soil has warmed. Light afternoon shade helps during hot weather. Watch flower buds closely and harvest the main stem when they are formed but still tight. Cut with a clean tool while leaving the base and several leaves to encourage secondary shoots. Make successive sowings instead of one large planting. After harvest, remove diseased debris and wait several years before placing another brassica in the same location. Cool shoots immediately after cutting to preserve texture. Inspect the net after wind, repair openings promptly, and uncover only long enough for weeding, thinning, and harvest. Treat a seed harvest as a separate project: preserve identity, manage crossing, and dry only fully mature seed. Keep a simple record of sowing and bolting dates so the next planting can be shifted toward cooler weather.
Soil and care
The right care,at the right time.
Soil pH
Slightly acidic to neutral
Care level
Moderate
Watering
Keep the soil evenly moist, especially during emergence and while harvestable stems are developing. Water deeply when the surface begins to dry, then allow excess water to drain. Drought stress can make tissues tougher and encourage rapid bolting, but roots should not remain waterlogged. A light mulch helps conserve moisture, while watering at soil level keeps foliage relatively dry and supports good air circulation around the crop.
Soil type
This plant prefers fertile, deep, well-drained soil enriched with mature compost before sowing or transplanting. A texture that holds even moisture without becoming waterlogged supports tender stems and vigorous leaves. Slightly acidic to neutral soil suits it well. Avoid compacted ground, and rotate effectively with crops outside the brassica family to reduce the buildup of persistent soil-borne pests and diseases.
Fertilization
Incorporate mature compost before planting, then apply balanced fertilizer for leafy vegetables according to label directions and, ideally, a soil test. Moderate nitrogen supports leaves and stems, but excess can create overly soft, vulnerable growth. Divide applications on light soils where nutrients leach quickly. Water dry soil before fertilizing, keep granules away from stems, and reduce feeding as the main harvest approaches.
Moisture
Evenly moist soil; good airflow around foliage
Seasonal care
Seasonal care for 'Kailaan — Alboglabra Group' broccoli. In early spring, prepare soil with mature compost and sow as soon as it can be worked. Protect the bed immediately with insect netting. After emergence, thin promptly so each plant receives air and light. Maintain even moisture and monitor flea beetles on young leaves. As temperatures rise, apply mulch and provide light afternoon shade when plants show stress. Harvest shoots as soon as buds are formed and still tight; regular cutting before advanced flowering preserves tender texture. In early summer, finish batches that bolt quickly and replace them with a crop from another family. In late summer, sow again to benefit from cooler nights. Water carefully during establishment and inspect leaf undersides for caterpillars. In autumn, harvest before hard frost, remove diseased debris, and clean tools. Record sowing, first harvest, and bolting dates to improve future timing. Observe a rotation of several years before growing another brassica in the same location. In containers, check moisture daily and rotate the planter for balanced light. Repair any opening in the net immediately. Cool shoots after every cut and do not leave harvests in the sun. Between batches, remove weeds, add only a modest amount of compost, and avoid overloading soil with nitrogen. Inspect roots and stems when a plant fails so watering problems can be distinguished from disease. Keep all observations with the seasonal dates for the next planting plan.
Container growing
A garden,within reach.
Recommended pot size
A well-drained container of at least 15 to 20 L, approximately 30 cm (12 in) deep
Growing 'Kailaan — Alboglabra Group' broccoli in containers. Use a container of at least 15 to 20 L for a small group or a window box approximately 30 cm (12 in) deep with several drainage holes. Fill it with rich vegetable potting mix amended with mature compost. Sow sparingly or transplant young plants while leaving approximately 25 cm (10 in) between them; crowding produces thinner stems and favours disease. Place the container in sun during spring, then provide light afternoon shade as weather becomes hot. Water slowly until excess drains and check moisture daily because kailaan loses tenderness under water stress. Do not leave water standing in the saucer. Install fine netting over hoops without letting it rest constantly on leaves. Fertilize lightly after establishment without excess. Harvest shoots when buds remain tight and cut above several leaves. After the final harvest, discard diseased tissue, wash the planter, and replace or sanitize the growing medium before another brassica crop. Cool shoots promptly after cutting and keep the planter accessible for daily leaf inspection. Secure netting carefully after every harvest so pests cannot enter through a temporary gap. Rotate the container for even light, and start a fresh batch rather than keeping old woody plants after quality declines.
Bloom and dimensions
Its place,in your garden.
Mature height
Approximately 40 to 60 cm (16 to 24 in)
Width / spread
Approximately 25 to 40 cm (10 to 16 in)
Flower color
White
Foliage color
Blue-green to dark green
Growth rate
Fast
Growth habit
Upright and leafy with thick stems and flowering shoots
Bloom period
Small flower buds form at the tops of the stems and resemble miniature broccoli heads. Harvest ideally while buds remain tight, before many flowers open. A few open flowers do not necessarily spoil the crop, but stems gradually become firmer as flowering advances. Heat and drought stress can accelerate bolting, so spring and late-summer sowings often provide better conditions. Leaving the base intact may allow useful side shoots to develop.
Fruiting
After flowering and pollination, Organic 'Kailaan' Chinese broccoli gradually directs energy toward fruit or seed formation. This stage is not always wanted when leaves, roots, or stems are the primary harvest. For culinary quality, harvest at the recommended stage; allow only several healthy plants to complete the cycle when observing maturation or collecting permitted seed. During maturation, inspect Organic 'Kailaan' Chinese broccoli regularly and adjust care to its actual stage of growth.
Days to maturity
Approximately 50 to 60 days after sowing
Harvest
Approximately 50 to 60 days after sowing; cut stems when flower buds are formed but still tightly closed
Garden associations
In goodcompany.
Companion plants
Lettuce, spinach, green onions, or radishes may share space with 'Kailaan' when their cycles and spacing remain compatible. Protect airflow around the upright and leafy with thick stems and flowering shoots after rain. Rotate 'Kailaan' Chinese broccoli away from closely related crops when soil pests or disease have appeared. Remove any neighbour that begins competing for light, moisture, airflow, or harvest access. In the 'Kailaan' planting, preserve access to the smooth blue-green leaves, thick stems, and small flower buds and remove neighbours that obscure inspection. Use companion planting to organize succession and diversity, not as a substitute for sound crop care. Reassess the arrangement around 'Kailaan' as both crops approach mature size.
Recipe idea
From the gardento your plate.
Edible parts
Young leaves, tender stems, and flowering shoots
Kailaan in the kitchen. Prepare a quick garlic-ginger stir-fry that treats the thick stems and tender leaves separately. Rinse approximately 300 g (10 oz) of sound kailaan under potable water, drain well, and trim only damaged ends. Slice stems diagonally into 2 cm (3/4 in) pieces; keep leaves and tight buds in a second bowl. Heat 15 mL (1 tbsp) neutral oil in a wide skillet. Add one minced garlic clove and 5 mL (1 tsp) grated ginger, stir for twenty seconds, then add the stems with 30 mL (2 tbsp) water. Cover for two minutes. Add leaves and buds, uncover, and toss just until glossy and tender. Season with 10 to 15 mL (2 to 3 tsp) soy sauce, or salt to taste. Serve immediately with rice or noodles. This sequence lets the stems soften without overcooking the foliage. Keep raw produce away from raw animal foods, use a clean board, refrigerate leftovers within two hours, and discard any portion with an abnormal odour or texture.
Frequently asked questions
Your questions,answered.
When should kailaan be sown in your region?
Sow in spring as soon as soil can be worked and again in late summer to benefit from cooler temperatures. Place seed approximately 1 cm (3/8 in) deep in fertile moist soil, then thin to 25 or 30 cm (10 to 12 in). Young plants tolerate cool weather better than prolonged heat, which accelerates bolting. To spread the harvest, make small sowings every two or three weeks instead of one large row. Install insect netting immediately and maintain even moisture until harvest. Record dates to adapt timing to your region. Light afternoon shade may help a late spring crop when temperatures rise unexpectedly.
Which part of Chinese broccoli is harvested?
Harvest the complete young shoot: tender stem, leaves, and small flower buds while they remain tight. Unlike conventional broccoli, kailaan is not grown to form one large central head. Cut the main stem with a clean knife while it is firm but still flexible and before many flowers open. Leave the base and several leaves intact; the plant may then produce secondary shoots when moisture and temperature remain favourable. Cool harvested stems promptly and wash them before cooking. Thick portions generally need slightly more cooking time than leaves, which can be added afterward to preserve texture. Discard any damaged or spoiled tissue.
How can insects be limited on kailaan?
Protect kailaan before damage begins. Place fine insect mesh over hoops immediately after sowing or transplanting, seal every edge, and leave enough headroom for the upright stems. Inspect beneath the cover twice weekly because flea beetles, aphids, or butterfly eggs may already be present on seedlings. Remove eggs or affected leaves by hand while the patch is small, but preserve enough healthy foliage to support the edible shoot. Water at soil level and thin to the stated spacing so leaves dry readily. After the final side-shoot harvest, remove brassica residues and rotate to an unrelated crop. If a treatment becomes necessary, identify the pest first and follow only a Canadian label that explicitly permits use on edible brassica leaves and stems.
Can kailaan be grown in a container?
Yes. Choose a window box approximately 30 cm (12 in) deep or a container of at least 15 to 20 L with several drainage holes. Use rich vegetable potting mix amended with compost and space plants approximately 25 cm (10 in) apart. Place the container in sun during spring, then provide light afternoon shade as temperatures rise. Water when the surface begins to dry without leaving water standing in the saucer. Install fine netting over small hoops. Harvest while buds remain tight and cut above several leaves to allow possible secondary shoots. Check moisture daily during warm windy weather because containers dry quickly.
How can you tell when kailaan is ready to harvest?
Watch the main stem and its cluster of small buds. A shoot is ready when the stem has reached a useful size, remains tender under light pressure, and carries well-formed but still tight buds. Several first flowers do not necessarily make the harvest unusable, but advanced flowering toughens stems and increases bitterness. Cut early in the day with a clean tool while leaving the base and several leaves. Compare texture from different harvest dates and record the stage you prefer. Cool shoots promptly, wash them thoroughly, and begin cooking thick sections before adding leaves. Secondary shoots may be harvested in the same way.
Wildlife and pets
Life,around your plants.
Supporting wildlife
Kailaan is normally harvested when its flower buds are formed but still closed. A missed stem soon opens into yellow Brassica blossoms that bees and hoverflies may use. Allowing a few shoots to flower can add a brief insect resource, but it also makes those stems less tender. Pollination is not required for the intended leaf-and-stem harvest.
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