Also known as Slipper Flower · 11 gardener saves

Calceolaria: the varieties gardeners actually grow

Calceolaria, the genus most gardeners know as slipper flower. We track 6 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.

6 varietiesZones 7–10Shade friendly

The 6 most-saved Calceolaria varieties

Of 6 in the catalog — ordered by how many gardeners actually grow them.

How to grow Calceolaria

What the Calceolaria varieties in our catalog actually agree on — drawn from the care records of the 6 most-grown of them, not from a generic template.

The Calceolaria year

  • DeadheadApril–August100% of varieties

    Remove spent pouch flowers regularly to encourage new buds.

  • FertilizeApril–July100% of varieties

    Apply a balanced liquid fertilizer every 4-6 weeks to support continuous bloom.

  • PlantMarch–May83% of varieties

    Plant container specimens after the danger of hard frost has passed.

  • Check for PestsApril–July67% of varieties

    Check for aphids and whiteflies, especially in humid conditions.

  • Winter PrepOctober33% of varieties

    In Zone 7, protect with heavy mulch or move containers to a frost-free area.

Do

  • Water regularly to keep soil moist but not soggy 🌱
  • Water regularly to keep soil moist 🌱
  • Fertilize monthly during the growing season
  • Prune after flowering to promote bushiness
  • Mulch to retain soil moisture and suppress weeds

Avoid

  • Avoid overwatering to prevent root rot ❌
  • Refrain from fertilizing during dormancy
  • Don’t let soil dry out completely
  • Refrain from fertilizing in late fall or winter

What goes wrong with Calceolaria

ProblemWhat you'll seeWhat to do
AphidsSticky residue on leaves, distorted growthSpray with neem oil or insecticidal soap
WhitefliesWhite flying insects and yellowing leavesUse insecticidal soap or introduce natural predators
Spider mitesFine webbing on foliageIncrease humidity and apply horticultural oil
Root rotWilting, blackened rootsImprove drainage and reduce watering
Powdery mildewWhite powder on leavesApply fungicide and improve air circulation
Powdery MildewWhite powdery coating on leavesImprove air circulation and apply fungicide

Making more Calceolaria

seed

  1. Tuck seeds into moist soil in early spring.
  2. Keep soil consistently moist for germination, approximately 2-3 weeks.

cuttings

  1. Take semi-hardwood cuttings in late summer.
  2. Dip in rooting hormone, then plant in moist, well-draining soil.
  3. Maintain high humidity and indirect light for 6 weeks.

Calceolaria questions

How many types of Calceolaria are there?

The Sow catalog tracks 6 distinct Calceolaria varieties. The most popular — ranked by 11 real gardener saves — are shown first above.

What zones does Calceolaria grow in?

Across its varieties, Calceolaria covers USDA Zones 7–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.

When does Calceolaria bloom?

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

Which Calceolaria 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 Calceolaria 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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