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Phlomis fruticosa

Jerusalem Lampwick · Jerusalem Sage · Shrubby Jerusalem Sage

Family LamiaceaeGenus Phlomis

A whorl of yellow hooded flowers with brown-tipped lips, clasped by gray-green leaves felted white beneath.
FlowerJean-Pol GRANDMONTCC BY-SA 3.0

About the plant

What it is and where it grows — not part of any germination protocol.

The plant

Habit
ShrubExtension Gardener Plant Toolbox
Habit
shrubPlants of the World Online
Height
2-4 ft0.6-1.2 mExtension Gardener Plant Toolbox
Spread
3-5 ft0.9-1.5 mExtension Gardener Plant Toolbox
Flower
Gold/YellowExtension Gardener Plant Toolbox
Blooms
Spring, SummerExtension Gardener Plant Toolbox
Native range
Albania, Cyprus, East Aegean Is., Greece, Italy, Kriti and elsewhereGBIF Backbone Taxonomy
Hardiness zones
7-10Extension Gardener Plant Toolbox

Growing conditions

Sun
Full sun; Partial ShadeExtension Gardener Plant Toolbox
Soil
Clay, Loam (Silt), SandExtension Gardener Plant Toolbox
Soil pH
Acid (<6.0), Alkaline (>8.0), Neutral (6.0-8.0)Extension Gardener Plant Toolbox
Moisture
Good Drainage, Moist, Occasionally DryExtension Gardener Plant Toolbox

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Extension Gardener Plant Toolbox — NC State Extension; Plants of the World Online — Royal Botanic Gardens, Kew; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Fruticosa means "shrubby". Jerusalem sage is an evergreen shrub with aromatic, sage-like leaves and whorls of about 20 deep yellow, tubular flowers in summer. It holds the RHS Award of Garden Merit. Wikipedia: Phlomis fruticosa

Protocol

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1, in 84 days.

33% germination in 84 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Phlomis p. 191Public domain
Show the original text
Phlomis (Lamlaceae). P. fruticosa germ. 70D(216 in 5-10 d) and 40(2/6 in 4th and 12th w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Phlomis p. 191. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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