perennial

Porcelain Blue Corydalis

Corydalis flexuosa 'Porcelain Blue'

$14.50

The Story

Plant Bio

Corydalis flexuosa 'Porcelain Blue' is known for its delicate, finely dissected foliage and beautiful blue flowers that appear in early spring.

The cultivar 'Porcelain Blue' is particularly valued for its vibrant blue color and ability to thrive in shady areas.

Uses & Benefits:

Ornamental UsesProvides delicate, blue flowers that add charm to shaded gardens.
Practical UsesPrefers partial shade, making it ideal for low-light areas.
Ecological BenefitsAttracts native pollinators and supports local biodiversity.
SpeciesCorydalis flexuosaBlue Corydalis

Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

12 inches

Light

Partial Sun, Shade

Zones

5, 6, 7, 8

Water

Moderate

Humidity

Prefers moist, well-drained soil

Lifespan

Perennial

Native To

China

Toxicity

Toxic if ingested.

Bloom period

Mid-spring

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In flower about 1 month of the year

Marketplace

Where to Buy

Dancing Oaks
Ships Year Round
<1 Gal Pot
In Stock$14.50

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

  1. Tuck seeds into well-draining soil in early spring for best germination.
  2. Mist cuttings regularly to maintain humidity and promote root growth.
  3. Water consistently, avoiding waterlogged soil during the growing season.
  4. Apply a balanced fertilizer every 4-6 weeks during active growth.
  5. Prune faded stems to encourage bushier growth and remove dead material.
  6. Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Use a shade cloth during hot summer days to prevent leaf scorch and promote lush foliage.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist but not soggy 🌱
  • Deadhead spent flowers to encourage continuous blooming
  • Apply organic compost annually for healthy growth

Don't

  • Avoid overwatering, which can lead to root rot ❌
  • Don’t expose to harsh afternoon sun in summer
  • Refrain from disturbing roots during dormancy

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Divide
Fertilize
Mulch
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland borderMoonlit rock gardenWildflower meadow edge

Companion Plants

HostaFerns AstilbeJapanese painted fern Hakonechloa

Multiply

Propagation Methods

Good to Know

Common Questions

Porcelain Blue Corydalis questions

What zones can Porcelain Blue Corydalis grow in?

Porcelain Blue Corydalis is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Porcelain Blue Corydalis deer resistant?

Yes — Porcelain Blue Corydalis is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Porcelain Blue Corydalis bloom?

Porcelain Blue Corydalis typically blooms in mid-spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Porcelain Blue Corydalis need full sun?

Porcelain Blue Corydalis does best in part shade.

Keep exploring

Grow Porcelain Blue Corydalis with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.