127 gardener saves

Gladiolus: the varieties gardeners actually grow

We track 14 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.

14 varietiesZones 5–10Mostly full sun

The 12 most-saved Gladiolus varieties

Of 14 in the catalog — ordered by how many gardeners actually grow them.

Browse all 14 Gladiolus varieties →

How to grow Gladiolus

What the Gladiolus varieties in our catalog actually agree on — drawn from the care records of the 14 most-grown of them, not from a generic template.

The Gladiolus year

  • PlantMarch–May100% of varieties

    Plant corms 4-6 inches deep in succession every 2 weeks after last frost

  • StakeMay and June100% of varieties

    Stake tall varieties when flower spikes begin to emerge

  • Lift & StoreSeptember and October93% of varieties

    Dig corms after foliage yellows or first frost; cure and store in a cool, dry place

  • HarvestJune–August71% of varieties

    Cut stems when the lowest flower bud shows color, leaving 4 leaves on the plant

  • FertilizeApril–June50% of varieties

    Apply balanced fertilizer monthly once spikes are visible

Do

  • Water consistently during active growth 🌱
  • Stake tall flower stems for support
  • Water consistently during the growing season 🌱
  • Stake tall stems to support heavy blooms
  • Water regularly to keep soil moist but not waterlogged 💧

Avoid

  • Avoid overwatering to prevent rot ❌
  • Avoid overwatering to prevent bulb rot ❌
  • Don’t plant in poorly drained soil
  • Refrain from cutting back foliage prematurely

What goes wrong with Gladiolus

ProblemWhat you'll seeWhat to do
AphidsSticky residue on leaves and new growthApply insecticidal soap or neem oil
Spider MitesFine webbing and speckled leavesIncrease humidity and spray with miticide
Spider mitesFine webbing on leavesIncrease humidity and spray with insecticidal soap
ThripsDeformed or discolored flowers and leavesUse insecticidal soap or neem oil
Botrytis (Gray Mold)Gray fuzzy mold on flowers and leavesImprove air circulation and remove affected parts
Botrytis (gray mold)Gray fuzzy mold on flowers and leavesImprove air circulation and remove affected parts
Botrytis blightGray mold on flowers and leavesImprove air circulation and remove affected plant parts

Making more Gladiolus

Corm division

  1. Dig up mature corms in fall
  2. Separate offsets with a sharp, clean knife
  3. Allow cut surfaces to dry for 24 hours
  4. Plant divisions 4 inches deep in spring
  5. Water thoroughly after planting

Seed sowing

  1. Collect seeds after flowering.
  2. Sow seeds in trays filled with seed-starting mix.
  3. Maintain moist conditions and provide bright, indirect light.
  4. Germination occurs in 2-3 weeks, transplant seedlings when large enough.

Gladiolus questions

How many types of Gladiolus are there?

The Sow catalog tracks 14 distinct Gladiolus varieties. The most popular — ranked by 127 real gardener saves — are shown first above.

What zones does Gladiolus grow in?

Across its varieties, Gladiolus covers USDA Zones 5–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.

When does Gladiolus bloom?

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

Which Gladiolus 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 Gladiolus 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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