Also known as Fumewort · 292 gardener saves

Corydalis: the varieties gardeners actually grow

Corydalis, the genus most gardeners know as fumewort. We track 13 varieties; these are the ones gardeners actually save and plant, ranked by real saves rather than catalog marketing. Each links to full care, bloom, and live price data.

13 varietiesZones 4–9Shade friendly

The 12 most-saved Corydalis varieties

Of 13 in the catalog — ordered by how many gardeners actually grow them.

Browse all 13 Corydalis varieties →

How to grow Corydalis

What the Corydalis varieties in our catalog actually agree on — drawn from the care records of the 13 most-grown of them, not from a generic template.

The Corydalis year

  • Spring CleanupFebruary77% of varieties

    Clear away old debris before new shoots emerge

  • PlantMarch, September and October62% of varieties

    Plant in spring or fall in rich, well-drained, shaded soil

  • MulchMarch and April54% of varieties

    Apply leaf mold or compost to keep roots cool and moist

  • DivideAugust and September54% of varieties

    Divide clumps every few years when the plant is dormant

  • DeadheadApril and May31% of varieties

    Remove spent flower stalks to tidy appearance before summer dormancy

  • FertilizeMarch31% of varieties

    Apply a light, balanced fertilizer as new growth appears

Do

  • Water regularly to keep soil moist 🌱
  • Mulch to conserve moisture and regulate soil temperature
  • Water regularly to keep soil moist but not soggy 🌱
  • Apply organic compost annually for healthy growth
  • Mulch to conserve moisture and suppress weeds

Avoid

  • Avoid overwatering to prevent root rot ❌
  • Don't let soil dry out completely
  • Refrain from disturbing roots during dormancy
  • Refrain from heavy fertilizing which can cause legginess

What goes wrong with Corydalis

ProblemWhat you'll seeWhat to do
AphidsSticky residue and distorted leavesUse insecticidal soap or neem oil
SlugsIrregular holes in leavesUse organic slug bait or handpick during evening
Root rotWilting and blackened rootsImprove drainage and reduce watering

Making more Corydalis

Division

  1. Divide clumps in early spring or fall, carefully separating roots and replanting immediately.

Seed

  1. Tuck seeds into moist soil in early spring, taking 4-6 weeks for germination.

Corydalis questions

How many types of Corydalis are there?

The Sow catalog tracks 13 distinct Corydalis varieties. The most popular — ranked by 292 real gardener saves — are shown first above.

What zones does Corydalis grow in?

Across its varieties, Corydalis covers USDA Zones 4–9. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.

When does Corydalis bloom?

Most Corydalis varieties bloom in early spring, late spring, late spring to fall. Staggering early, mid, and late varieties extends the genus's season in one bed.

Which Corydalis should I choose?

Start from the most-saved varieties above — popularity across thousands of gardens is a strong signal of reliability — then filter by your zone and sun. In the Sow app you can preview any of them in a photo of your actual yard before you buy.

Keep exploring

Design with Corydalis in your own yard

Snap a photo of your space and see these varieties planted in it — sized correctly, matched to your zone, with care reminders included.

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