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Brassica · Easy

How to Grow Red Trumpet

Brassica rapa var. pekinensis

Your complete guide to growing Red Trumpet.

☀SunFull sun to part shade
💧WaterHigh — consistent moisture needed
📅Harvest60 days
🗺Zones5–9
📏Height3 feet
Red Trumpet📷 Wikipedia: Brassica rapa

When to Plant Red Trumpet

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 1 April – May June – July August – September
Zone 2 April – May May – July July – September
Zone 3 March – April May – June July – October
Zone 4 March – April April – June June – October
Zone 5 February – March April – May June – November
Zone 6 February – March April – May June – November
Zone 7 February – March March – May May – November
Zone 8 January – February March – April May – December
Zone 9 January February – March April – December
Zone 10 January January – March March – December
Zone 11 January January – February February – December
Zone 12 January January – February February – December
Zone 13 January January – February February – December

Companion Plants for Red Trumpet

✓ Good companions

Carrots

Different root depths reduce competition while carrots help break up soil

Chives

Repels aphids and may improve flavor while deterring various brassica pests

Dill

Attracts beneficial insects like parasitic wasps that prey on cabbage worms

Lettuce

Provides ground cover and efficient space usage without competing for nutrients

Marigolds

Repels cabbage worms, aphids, and other brassica pests with their strong scent

Nasturtiums

Acts as trap crop for aphids and flea beetles, protecting brassicas from these pests

Onions

Repels cabbage root fly, aphids, and cabbage worms with sulfur compounds

Spinach

Compatible root systems and similar growing requirements, good space utilization

✗ Keep away from

Mustard Greens

Same family plants attract similar pests and diseases, increasing infestation risk

Pole Beans

Can shade brassicas and compete for nutrients, potentially stunting growth

Strawberries

Both are heavy feeders that compete for similar nutrients, reducing yields

Tomatoes

Competes for nutrients and may stunt brassica growth due to allelopathic compounds

Nutrition Facts

Per 100g serving (USDA FoodData Central)

31.0kcal
2.57gProtein
2.40gFiber
91.30mgVitamin C
0.69mgIron
Notes from the garden

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Seasonal planting ideas, useful tips and a little inspiration. No weeds.