Ambrosia peruviana
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Ambrosia peruviana

Wormwood · Peruvian ragweed

Tier 2 Difficulty: medium Water: low Light: full_sun
Temperature
10–35 °C
Soil pH
6–6
Hardiness
Zone 6–10
Click count
251
Observations
22

Description

Source: leafsnap

Ambrosia peruviana is a species of plant in the family Asteraceae. It occurs from Mexico south to Argentina, being common in the Antilles and the Andes.In its native range, A. peruviana is used as a medicinal plant with analgesic, antiinflammatory, anthelmintic and antiseptic properties.

🌳 Cuman ragweed is more than an irritating allergen; it contributes to the ecosystem by drawing in butterflies, including specialist lepidopteran species that depend on it. The plant serves as a larval host, offering food and shelter to the caterpillar stage of these insects, which later become butterflies — a process vital for keeping balance in their native ecosystems.

🎭 Bravery

Care Guide

💧 Water
☀️ Light Full sun

Cuman ragweed does best when exposed to the full intensity of daylight and can also persist in places with less, though still ample, sun. Its native habitat is open areas where continuous, unobstructed overhead light is typical. However, both excessive and insufficient light can negatively affect its growth.

Ideal: Full sun
🌡️ Temperature 10–35°C

Cuman ragweed is a plant native to temperate regions and prefers a moderately warm climate with temperatures of 68 to 95 °F (20 to 35 ℃). During seasonal changes, make sure cuman ragweed is maintained within this temperature range for optimal growth.

Ideal temperature: 10–35°C
💨 Humidity
Humidity:
🪴 Soil 6-6
Soil pH: 6-6
🌱 Fertilizer

A single fertilizer application in spring is typically enough for Cuman ragweed, although multiple feedings can maximize its growth. Apply fertilizer every four to six weeks. Fertilization improves the leaves' appearance and function, helping to maintain uniform color and a healthy texture. It also promotes root development and improves nutrient uptake for the plant's long-term health.

🪴 Pot & Repot
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial, Annual
Genus
Ambrosia
Family
Compositae
Hardiness Zone
6-10
Mature Height
91 cm
Mature Spread
8 cm to 15 cm
Leaf Color
Green, White
Leaf Type
Semi-evergreen
Flower Color
Yellow, Green
Flower Size
2.54 cm
Bloom Time
Mid summer
Planting Time
Spring
Harvest Time
Mid summer, Late summer
Native Area
Mexico

Tags (5)

Common Names (2)

en Wormwood
en Peruvian ragweed