🌍 Built for UK, USA, Canada & Worldwide Gardens Free Growing Guides for Every Region Love It or Your Money Back Secure Checkout Instant PDF Download Checked Against RHS, USDA & Agri-Food Canada Data Free Garden Layout Planner
🌍 Built for UK, USA, Canada & Worldwide Gardens Free Growing Guides for Every Region Love It or Your Money Back Secure Checkout Instant PDF Download Checked Against RHS, USDA & Agri-Food Canada Data Free Garden Layout Planner
How to Grow Shungikus USA | Complete Growing Guide
Move through the SoilCommander growing library like a course: keep the navigation in place, open the next lesson, and build your garden plan step by step.
When to pick: Harvest young leaves, stems and flowers as a cut-and-come-again leafy vegetable before the plant bolts to flower in warm weather; sow in early spring and again in autumn for a longer cropping window (RHS; True Leaf Market).
Shungiku's leaves, stems and young flowers are harvested and eaten as a leafy vegetable in Japanese and Chinese cuisine, often called chop suey greens.
An erect annual/biennial with pinnately divided leaves and yellow daisy-like flower-heads in spring and summer, known by the culinary name shungiku or chrysanthemum greens. Not native to GB/Ireland. Hardiness H7 (hardy in severe European continental climates, below -20C). Full sun. Soil: chalk, clay, loam or sand, with a preference for well-drained sandy soil; moist but well-drained; acid, alkaline or neutral pH. Height 0.5-1m, spread 0.1-0.5m. Time to maturity 1-2 years. Propagated by seed sown in spring. Generally pest-free and generally disease-free. Leaves, stems and young flowers are eaten as a leafy vegetable (chop suey greens), especially in Japanese and Chinese cuisine.
1 independent sources are cited for this crop. Where they disagree - soil pH is the clearest case - every figure is preserved rather than averaged into false precision.
Frequently Asked Questions
What soil pH do shungikus need?
A pH of about 6–7.5. That span reflects genuine variation between the authorities we cite rather than a single agreed figure — the References section lists each source's exact range.
Plan next season before the problems start
Almost everything on this page resolves to your own frost dates rather than the calendar — the last spring frost moves by roughly two months between zone 3 and zone 10. The USA Garden Planner works from your zone so the timing is already decided before the season starts.
US vegetable growing guides · Checked against USDA & Cooperative Extension guidance
Every SoilCommander guide is written and maintained by our editorial team for real US growing conditions, and checked against USDA hardiness and frost-date data and Cooperative Extension growing advice before publication.
Sketch your exact plot shape, pick your crops, and get a spacing-accurate bed layout with companion pairings and a rotation plan. Spacing, companion pairings and rotation work the same in any climate — pair the layout it gives you with the USA planting calendar for your own frost-date timing.