Jerusalem Sage

phlomis herba-venti

Also known as: ["Lion’s Tail","St. Clement’s Fleece"]

Family: Lamiaceae Genus: Phlomis Category: Flowers

Overview

A perennial herbaceous plant native to the Mediterranean region, known for its woolly leaves and yellow, hooded flowers arranged in whorls.

Benefits & Perks

["long-flowering","deer resistant","wildlife attractant (bees, butterflies, birds)","drought tolerant","aesthetic foliage"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Lamiales
Family: Lamiaceae
Genus: Phlomis
Botanical Name: Phlomis herba-venti

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: border plantings, rock gardens, or containers in full sun
  • Suitable For:
    Beginners Busy People (low Maintenance) Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–35°C"}
  • Hardiness: {"zones":"6–9"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining, gritty soil with some organic matter; cactus or succulent mix is ideal.
Maintenance Level
  • Maintenance Level: low
  • Toughness Level: high
  • Pruning Frequency: Annually in late winter or early spring before new growth begins.
  • Pruning Intensity: Moderate; remove up to one-third of the oldest stems each year.
Care Details

Ideal Sunlight Coverage:
Full sun (6–8 hours of direct sunlight daily); tolerates partial shade but may become leggy.

Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; protect from harsh afternoon sun in hot climates; ensure good air circulation to prevent fungal issues.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor drainage or incorrect soil conditions.

Care Requirements

Care Difficulty
easy

moderate

Sunlight

full sun to partial shade

Rotate plant for even light exposure; use shade cloth in extreme heat; place near south-facing window indoors.

Watering

every 7–10 days during active growth, reduce in winter

Water thoroughly but infrequently; ensure soil dries between waterings; avoid overwatering to prevent root rot.

Soil

well-drained, sandy or loamy soil

pH: Slightly alkaline to neutral (pH 6.5–7.5).

Ensure pots have drainage holes; avoid heavy clay soils; amend with grit if needed.

Temperature

Prefers warm to hot conditions (65–85°F or 18–29°C); tolerates mild frosts but thrives in heat.

Avoid sudden temperature fluctuations; protect from cold drafts; maintain consistent warmth during active growth.

Fertilizing

every 4–6 weeks during spring and summer

Fertilize sparingly; apply before new growth emerges; flush soil occasionally to prevent salt buildup.

Propagation

Methods

Stem cuttings or division; stem cuttings are more common for home growers.

Step-by-Step Propagation Guide
  1. Take 4–6 inch cuttings.
  2. Remove lower leaves.
  3. Dip in rooting hormone.
  4. Plant in medium.
  5. Keep moist and warm.

Best Time: Late spring or early summer when the plant is actively growing.

Environment

Warm (70–75°F or 21–24°C), humid, and partially shaded environment.

Medium

Well-draining mix of perlite and peat moss or cactus mix.

Hormone

Rooting hormone is recommended for faster root development.

Timeline

Roots typically form in 4–6 weeks; plants may take 3–6 months to establish.

Tools Needed

Pruning shears, rooting hormone, small pots, well-draining medium.

Quick Tips

Use healthy, non-flowering stems; maintain consistent moisture; provide bottom heat if possible.

Pruning & Repotting

Pruning Guide
Method

Cut stems back to a healthy bud or lateral branch; remove dead or crossing branches.

Pruning Plan

Prune to maintain shape, encourage bushier growth, and remove dead or damaged stems.

Tools

Pruning shears, loppers (for larger stems), sterilizing solution.

Checklist

Sterilize tools; prune before new growth; remove dead/damaged stems; shape the plant.

Repotting Guide
Best Season

Early spring before active growth starts.

Pot Size

Move to a pot one size larger (1–2 inches in diameter increase).

Method

Use fresh, well-draining soil; gently tease out crowded roots; ensure proper drainage holes.

Suggestions

Repot every 2–3 years or when roots fill the container; beneficial for container-grown plants.

Checklist

Choose appropriate pot; prepare fresh soil; handle roots carefully; water after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture before watering; water deeply; ensure proper drainage; adjust frequency seasonally.

How to Apply Water Properly

Water at the base of the plant, targeting the root zone; apply until water drains from the bottom; avoid wetting foliage to reduce disease risk; water early in the day to minimize evaporation.

Pro Tip: Use a soaker hose or drip irrigation for even moisture delivery.
Watering Schedule Tips

Water deeply once every 7–10 days during active growth in spring and summer; reduce frequency to every 2–3 weeks in fall and winter. Adjust based on rainfall and soil dryness.

Soil Improvement

Add perlite, coarse sand, or gravel to improve drainage; incorporate compost for fertility.

Temperature Stress Management
Signs of Temperature Issues

Chlorosis or wilting in excessive heat; stunted growth or leaf drop in cold stress.

Cold Stress

Slows growth; may suffer leaf damage or dieback in prolonged freezing temperatures.

Solution: Provide frost protection in winter; mulch around the base; move potted plants indoors or to a sheltered location.

Hot Stress

Leaves may scorch or wilt; growth may slow if watered inadequately.

Solution: Increase watering frequency; provide afternoon shade if possible; ensure good air circulation.

Fertilizing Guide
Fertilizing Checklist

Use balanced fertilizer; apply in spring; avoid over-fertilizing; reduce in winter.

Fertilizing Method

Use a balanced, slow-release fertilizer in early spring; dilute liquid fertilizer to half-strength if needed; avoid fertilizing in winter.

Common Problems & Solutions

Yellowing leaves in Phlomis herba-venti may indicate nutrient deficiencies, overwatering, or pest infestations, leading to reduced photosynthetic efficiency and overall plant vigor.

Wilting in Phlomis herba-venti can result from water stress, either due to drought or root damage, impairing the plant's ability to transport water and nutrients, which may lead to tissue dehydration and eventual death.

Leaf spots on Phlomis herba-venti are typically caused by fungal or bacterial pathogens, leading to necrotic lesions that can reduce photosynthetic capacity and, in severe cases, cause leaf drop.

Rotting, particularly root or stem rot, in Phlomis herba-venti is often caused by excessive moisture and poor drainage, leading to fungal infections that degrade plant tissues and compromise structural integrity.

Toxicity Warning

Cats
Non-toxic

Phlomis herba-venti is not considered toxic to cats. The plant lacks compounds known to be harmful to felines.

⚠️ Symptoms:
none
🌿 Toxic Parts:
leaves flowers
⚡ Toxic If:

if eaten

No specific precautions are needed for cats.
Dogs
Non-toxic

Phlomis herba-venti is not considered toxic to dogs. The plant does not contain known toxic compounds that would cause adverse effects in canines.

⚠️ Symptoms:
none
🌿 Toxic Parts:
leaves flowers
⚡ Toxic If:

if eaten

No specific precautions are needed for dogs.
Humans
Non-toxic

Phlomis herba-venti is generally considered non-toxic to humans. However, ingestion of large quantities may cause mild gastrointestinal discomfort due to its high fiber content and potential irritant properties.

⚠️ Symptoms:
nausea stomach discomfort diarrhea
🌿 Toxic Parts:
leaves flowers
⚡ Toxic If:

if eaten in large quantities

Consume in moderation; excessive intake may lead to mild digestive issues.

Frequently Asked Questions

Q: Is Phlomis herba-venti toxic to pets?

A: No, it is non-toxic to dogs and cats.

Q: How often should I water Phlomis herba-venti?

A: Water sparingly, as it is drought-tolerant and prefers well-drained soil.

Q: Does Jerusalem Sage attract wildlife?

A: Yes, it attracts bees, butterflies, and birds due to its nectar-rich flowers.

Quick Reference
Family: Lamiaceae
Care: easy
Light: full sun to partial shade
Water: every 7–10 days during activ
Suitable For: ["beginners","busy people (low maintenance)","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
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