Southern marigold

tagetes minuta

Also known as: ["Stinking roger","Stinking weed","Peruvian marigold","Wild marigold"]

Family: Asteraceae Genus: Tagetes Category: Herbs & Weeds

Overview

A tall, aromatic annual herb native to South America, known for its strong scent and small yellow flowers.

Benefits & Perks

["disease resistant","deer resistant","fragrant flowers","wildlife attractant (bees, butterflies, birds)","drought tolerant"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Genus: Tagetes
Botanical Name: Tagetes minuta

Plant Characteristics

Basic Information
  • Category: Herbs & Weeds
  • Suitable Location: outdoor garden bed in full sun exposure
  • Suitable For:
    Busy People (low Maintenance) Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: moderate
Environmental Needs
  • Climate: {"temperatureRange":"10–30°C"}
  • Hardiness: {"zones":"8–11"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining, loamy soil with added organic matter; can tolerate poor soils but performs best with enrichment.
Maintenance Level
  • Maintenance Level: low
  • Toughness Level: high
  • Pruning Frequency: Every 4–6 weeks during the growing season; as needed to remove spent flowers or damaged foliage.
  • Pruning Intensity: Moderate; remove up to one-third of the plant if overgrown, but avoid heavy pruning during flowering
Care Details

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

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

Warning Signs: Yellowing leaves (overwatering or poor drainage), stunted growth (nutrient deficiency or compacted soil), or root rot (waterlogged soil).

Care Requirements

Care Difficulty
easy

moderate

Sunlight

full sun

Rotate plants for even growth; 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 dormant periods

Water thoroughly but infrequently; ensure soil dries between waterings; avoid overhead watering to prevent fungal issues.

Soil

well-drained, loamy soil with moderate organic content

pH: Slightly acidic to neutral (pH 6.0–7.0).

Ensure good drainage; enrich with organic matter; avoid compacted soil.

Temperature

Prefers warm temperatures (65–85°F or 18–29°C); thrives in full sun but can tolerate mild frosts.

Protect from frost; avoid sudden temperature changes; maintain consistent warmth during active growth.

Fertilizing

every 4–6 weeks during growing season, none in winter

Dilute fertilizer to half strength to avoid burning roots; apply to moist soil to prevent nutrient shock; avoid fertilizing newly planted or stressed plants.

Propagation

Methods

Stem cuttings or seeds; stem cuttings are faster and more reliable for home growers.

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

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

Environment

Warm (70–75°F or 21–24°C), humid, and bright but indirect light.

Medium

Well-draining potting mix (e.g., perlite and peat moss) or vermiculite.

Hormone

Rooting hormone is recommended to speed up root development.

Timeline

Roots develop in 2–4 weeks; new growth appears in 6–8 weeks.

Tools Needed

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

Quick Tips

Use sterile tools to prevent disease; maintain high humidity with a plastic cover; avoid direct sunlight during rooting.

Pruning & Repotting

Pruning Guide
Method

Pinch back tips to encourage branching; cut just above a leaf node or lateral branch.

Pruning Plan

Prune to encourage bushier growth, remove dead or diseased parts, and improve air circulation.

Tools

Pruning shears, sharp knife, gloves.

Checklist

Clean tools; prune at the right time; make clean cuts; dispose of pruned material properly.

Repotting Guide
Best Season

Spring, before the active growing season begins.

Pot Size

One size larger pot (e.g., +2 inches in diameter); ensure good drainage holes.

Method

Remove plant gently; trim any circling roots; place in a slightly larger pot with fresh, well-draining soil; water thoroughly.

Suggestions

Repot every 1–2 years or when roots fill the pot; beneficial for container-grown plants to refresh soil and provide space.

Checklist

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

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure drainage; avoid wetting foliage.

How to Apply Water Properly

Water at the base of the plant, ensuring moisture reaches the root zone; water early in the day to allow foliage to dry; avoid waterlogging by ensuring proper drainage.

Pro Tip: Use a watering can with a narrow spout to direct water to the root zone without disturbing the soil surface.
Watering Schedule Tips

Water deeply once the top inch of soil is dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add compost or well-rotted manure for fertility; mix in perlite or sand for drainage; avoid heavy clay soils.

Temperature Stress Management
Signs of Temperature Issues

Wilting, yellowing leaves, stunted growth, or flower drop in extreme heat or cold.

Cold Stress

Slows growth, may cause leaf drop, and can lead to root damage if temperatures drop below 50°F (10°C).

Solution: Move potted plants indoors or to a sheltered location; use row covers for in-ground plants; avoid overwatering in cold conditions.

Hot Stress

Leaves may wilt, flowers may drop, and growth may slow in temperatures above 90°F (32°C).

Solution: Provide afternoon shade; increase watering frequency; use mulch to retain soil moisture; ensure good air circulation.

Fertilizing Guide
Fertilizing Checklist

Check fertilizer type; dilute correctly; apply to moist soil; avoid contact with foliage.

Fertilizing Method

Use a balanced, water-soluble fertilizer every 4–6 weeks during the growing season; reduce or stop fertilizing in winter.

Common Problems & Solutions

Yellowing leaves in Tagetes minuta may indicate nutrient deficiencies, overwatering, or pest infestations, which can impair photosynthesis and reduce overall plant health.

Wilting in Tagetes minuta is often a sign of water stress, either due to drought or root issues, which can lead to reduced nutrient uptake and eventual plant decline.

Leaf spots on Tagetes minuta are commonly caused by fungal or bacterial pathogens, which can reduce photosynthetic efficiency and, if severe, lead to defoliation.

Rotting, particularly root or stem rot, can occur in Tagetes minuta due to excessive moisture or fungal infections, leading to decay of plant tissues and potential plant death.

Toxicity Warning

Cats
Slightly Toxic

Cats may experience mild gastrointestinal upset if they ingest Tagetes minuta. The plant's essential oils can irritate the digestive tract, though severe toxicity is rare.

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

if ingested

Prevent cats from ingesting Tagetes minuta. Seek veterinary advice if ingestion occurs.
Dogs
Slightly Toxic

In dogs, ingestion of Tagetes minuta can lead to mild gastrointestinal upset due to the plant's essential oils. While not highly toxic, large amounts may cause discomfort.

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

if ingested

Keep pets away from large quantities of Tagetes minuta. Contact a veterinarian if ingestion is suspected.
Humans
Slightly Toxic

Tagetes minuta, commonly known as wild marigold, contains volatile oils that can cause mild gastrointestinal distress when ingested in significant amounts. The plant's essential oils may also act as a mild irritant to mucous membranes.

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

if eaten in large quantities

Avoid consuming large quantities of Tagetes minuta. Use gloves when handling to prevent skin irritation.
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 Tagetes minuta edible?

A: While some parts are used in traditional medicine, it is generally not recommended for culinary use due to its strong, pungent flavor.

Q: Does Tagetes minuta repel pests?

A: Yes, its strong scent is known to repel certain insects, making it useful in companion planting.

Q: How tall does Tagetes minuta grow?

A: It can grow up to 1.5–2 meters tall under optimal conditions.

Quick Reference
Family: Asteraceae
Care: easy
Light: full sun
Water: every 7–10 days during activ
Suitable For: ["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

New York Aster
View
Scotch Thistle
View
Hercynian Ragwort
View
Algerian Marigold
View