Also known as Jerusalem Sage · 174 gardener saves

Phlomis: the varieties gardeners actually grow

Phlomis, the genus most gardeners know as jerusalem sage. We track 10 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.

10 varietiesZones 4–10Mostly full sun

The 10 most-saved Phlomis varieties

Of 10 in the catalog — ordered by how many gardeners actually grow them.

How to grow Phlomis

What the Phlomis varieties in our catalog actually agree on — drawn from the care records of the 10 most-grown of them, not from a generic template.

The Phlomis year

  • PruneFebruary70% of varieties

    Shear lightly after flowering to maintain a dense, mounding shape

  • Spring CleanupFebruary50% of varieties

    Cut back old, spent flower stalks to the basal foliage before new growth starts.

  • DivideMarch and September40% of varieties

    Divide congested clumps every 3-5 years in early spring or early fall.

  • MulchMarch30% of varieties

    Apply a thin layer of compost or mulch in spring.

  • PlantMarch and September30% of varieties

    Plant in well-draining soil in spring or fall

  • PropagateJuly30% of varieties

    Take semi-ripe cuttings in summer

  • DeadheadJuly and August30% of varieties

    Remove spent flower spikes to maintain a tidy appearance and prolong bloom.

Do

  • Prune after flowering to maintain shape
  • Water deeply during dry periods 🌱
  • Prune after flowering to promote bushiness
  • Mulch to retain moisture and suppress weeds
  • Mulch to conserve moisture

Avoid

  • Overwater, which can cause root rot ❌
  • Plant in poorly drained soil ❌
  • Overwater in winter ❌
  • Avoid overwatering to prevent root rot ❌

What goes wrong with Phlomis

ProblemWhat you'll seeWhat to do
AphidsSticky residue and distorted leavesSpray with insecticidal soap or neem oil
Spider mitesFine webbing and speckled leavesIncrease humidity and spray with miticide
Root rotWilting despite wateringImprove drainage and reduce watering
Root rotWilting and blackened rootsImprove drainage and reduce watering
Powdery mildewWhite powder on leavesApply fungicide and improve air circulation

Making more Phlomis

Cuttings

  1. Take semi-hardwood cuttings in late summer
  2. Dip in rooting hormone
  3. Plant in well-draining soil and mist daily
  4. Roots develop in 4-6 weeks

Seed

  1. Tuck seeds into moist soil in early spring
  2. Keep soil consistently moist for 6 weeks
  3. Germination occurs in 2-4 weeks

Phlomis questions

How many types of Phlomis are there?

The Sow catalog tracks 10 distinct Phlomis varieties. The most popular — ranked by 174 real gardener saves — are shown first above.

What zones does Phlomis grow in?

Across its varieties, Phlomis covers USDA Zones 4–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.

When does Phlomis bloom?

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

Which Phlomis 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 Phlomis 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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