Yellow Germander

teucrium flavum

Also known as: ["Yellow Germander","Yellow Wood Sage"]

Family: Lamiaceae Genus: Teucrium Category: Herbs & Weeds

Overview

A perennial herbaceous plant with yellow flowers, native to the Mediterranean region.

Benefits & Perks

["drought tolerant","wildlife attractant (bees, butterflies, birds)","low maintenance"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Lamiales
Family: Lamiaceae
Genus: Teucrium
Botanical Name: Teucrium flavum

Plant Characteristics

Basic Information
  • Category: Herbs & Weeds
  • Suitable Location: rock gardens, coastal areas, or sunny borders
  • 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 root rot.
  • Soil Type: Well-draining, sandy loam with some organic matter; tolerates poor soils.
Maintenance Level
  • Maintenance Level: low
  • Toughness Level: high
  • Pruning Frequency: Annually after flowering or every 2–3 years to rejuvenate the plant.
  • Pruning Intensity: Moderate; remove up to one-third of the plant’s growth if necessary.
Care Details

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

Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight if moved from shade; protect from harsh midday sun in hot climates; ensure good air circulation to prevent sunburn.

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

Rotate plant weekly for even light exposure; use shade cloth in extreme heat; avoid placing near reflective surfaces that intensify sunlight.

Watering

every 7–10 days during active growth, less frequently in winter

Water thoroughly until it drains from the bottom, then allow soil to dry out; avoid frequent shallow watering; adjust frequency based on season and weather.

Soil

well-drained, sandy or loamy soil

pH: Slightly alkaline to neutral (pH 7.0–7.5).

Ensure pots have drainage holes; avoid heavy clay soils; amend with organic matter for better structure.

Temperature

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

Protect from frost; ensure good air circulation in heat; adjust watering with temperature changes.

Fertilizing

every 4–6 weeks during spring and summer

Apply fertilizer after watering to prevent root burn; flush soil occasionally to prevent salt buildup; reduce frequency in dormant periods.

Propagation

Methods

Stem cuttings or division; stem cuttings are the most common method 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 / 21–24°C), humid environment with indirect light.

Medium

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

Hormone

Rooting hormone is recommended to improve success rates.

Timeline

Roots typically form in 3–6 weeks; new growth may appear after 2–3 months.

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

Selective thinning of stems; heading back to encourage branching.

Pruning Plan

Prune to maintain shape, encourage bushiness, and remove dead or diseased growth; best done after flowering or in early spring.

Tools

Pruning shears, sterilized scissors, gloves.

Checklist

Sterilize tools; prune after flowering; remove dead/diseased parts; shape as desired.

Repotting Guide
Best Season

Early spring before new growth begins.

Pot Size

One size larger pot (e.g., +2 inches in diameter).

Method

Remove plant gently; trim roots if crowded; place in a slightly larger pot with fresh, well-draining soil; water thoroughly after repotting.

Suggestions

Repot every 2–3 years or when roots fill the pot; beneficial for rejuvenation and fresh soil.

Checklist

Choose appropriate pot size; use fresh soil mix; trim roots if needed; water after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture before watering; water deeply; ensure drainage; adjust for season.

How to Apply Water Properly

Water directly at the root zone, ensuring even moisture distribution; water early in the morning to minimize evaporation; ensure excess water drains away to prevent root rot.

Pro Tip: Use a watering can with a long spout to direct water precisely to the base of the plant, avoiding foliage.
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, allowing soil to dry completely between waterings.

Soil Improvement

Add perlite or coarse sand to improve drainage; incorporate compost for fertility; ensure soil is not compacted.

Temperature Stress Management
Signs of Temperature Issues

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

Cold Stress

Growth slows or halts; leaves may turn yellow or brown; risk of frost damage in freezing temperatures.

Solution: Move to a sheltered location or indoors during cold spells; apply a thick layer of mulch to insulate roots; avoid overwatering in cold conditions.

Hot Stress

Leaves may wilt, scorch, or drop; growth may become stunted; increased susceptibility to pests.

Solution: Provide afternoon shade in extreme heat; increase watering frequency; mist foliage during heatwaves to cool the plant.

Fertilizing Guide
Fertilizing Checklist

Use diluted fertilizer; fertilize during active growth; avoid winter feeding.

Fertilizing Method

Use a balanced, water-soluble fertilizer diluted to half strength every 4–6 weeks during spring and summer; avoid fertilizing in fall and winter.

Common Problems & Solutions

Yellowing leaves in Teucrium flavum may indicate nutrient deficiencies, overwatering, or pest infestations, affecting photosynthesis and overall plant health.

Wilting in Teucrium flavum can result from water stress, either due to drought or overwatering, disrupting nutrient uptake and potentially leading to plant death if not addressed.

Leaf spots on Teucrium flavum may be caused by fungal or bacterial infections, leading to reduced photosynthetic efficiency and potential leaf drop.

Rotting, particularly root rot, can occur in Teucrium flavum due to excessive moisture, leading to decay of root systems and eventual plant decline.

Toxicity Warning

Cats
Slightly Toxic

Cats may experience mild gastrointestinal upset if they consume Teucrium flavum. The plant is not highly toxic but can cause discomfort in felines.

⚠️ Symptoms:
vomiting diarrhea depression
🌿 Toxic Parts:
leaves stems
⚡ Toxic If:

if eaten

Prevent cats from ingesting the plant. Seek veterinary advice if symptoms occur.
Dogs
Slightly Toxic

In dogs, ingestion of Teucrium flavum may lead to mild gastrointestinal upset. The plant is not considered highly toxic but can cause discomfort in pets.

⚠️ Symptoms:
vomiting diarrhea lethargy
🌿 Toxic Parts:
leaves stems
⚡ Toxic If:

if eaten

Keep pets from chewing or ingesting the plant. Contact a veterinarian if symptoms persist.
Humans
Slightly Toxic

Teucrium flavum contains compounds that can cause mild gastrointestinal distress when ingested. The plant's effects are generally not severe but can lead to discomfort in sensitive individuals.

⚠️ Symptoms:
nausea vomiting diarrhea
🌿 Toxic Parts:
leaves stems
⚡ Toxic If:

if eaten

Avoid ingestion. Wash hands after handling the plant.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Is Teucrium flavum suitable for rock gardens?

A: Yes, it thrives in well-drained, rocky soils and is well-suited for rock gardens.

Q: Does Teucrium flavum attract pollinators?

A: Yes, its yellow flowers attract bees, butterflies, and other pollinators.

Q: How often should Teucrium flavum be watered?

A: It is drought-tolerant and requires minimal watering, especially once established.

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

Download the Plantious app for personalized care reminders and plant identification!

Google Play App Store
Share This Plant

Related Plants

Wild Curry Leaf
View
Confederate Jasmine
View
Scarlet Sage
View
Gypsywort
View