Guide botanique
Fleabane.
Erigeron karvinskianus
Prononciation eh-RIH-jer-on kar-vin-SKEE-an-us
Aussi appelée Karwinsky's fleabane, Latin American Fleabane, Mexican Fleabane, Mexican daisy, Santa Barbara daisy, Santa Barbera daisy, St Peter Port Daisy

Mexican Fleabane is a charming, low-growing perennial that produces a profusion of small, daisy-like flowers for months on end. It's a fantastic groundcover or filler plant for borders, rock gardens, and containers, often spilling gracefully over edges.
En un coup d'œil
- Care level
- Easy
- Plant type
- Perennial flowering plant
- Light
- Full sun to partial shade
- Indoor light
- bright-indirect
- Water
- Every 7 to 14 days
- Mature size
- Height: 15-30 cm, Spread: 30-60 cm
- Growth rate
- fast
- Hardiness
- USDA 4 to 11
- Bloom time
- Spring through fall
Entretien
Ensure good drainage to prevent root rot. Deadhead spent flowers to encourage more blooms and maintain a tidy appearance. While drought-tolerant once established, regular watering will improve flowering performance.
- Watering
- Water when the top inch of soil feels dry. Reduce watering in cooler months.
- Feeding
- Feed lightly in spring and mid-summer with a balanced liquid fertilizer.
- Pruning
- Trim back after flowering to encourage reblooming and maintain shape. Cut back harder in late winter or early spring.
- Repotting
- Repot young plants annually or biennially in spring. Mature plants can be divided.
- Soil
- Well-draining soil
- Soil pH
- Slightly acidic to neutral (6.0-7.0)
- Temperature
- -6.7 to 29.4°C
- Humidity
- 30 to 60%
Sécurité
- People
- This plant is not known to be toxic to humans.
- Pets
- This plant is generally considered non-toxic to cats and dogs.
- Children
- No specific safety concerns for children, beyond typical caution with any garden plant.
- Edibility
- While not typically considered toxic, it's best to avoid ingesting this plant as it's primarily grown as an ornamental.
Comment l'identifier
- Daisy-like flowers
- Small white to pink petals
- Yellow center
- Hairy stems
- Low-growing habit
- Profuse blooming
- Height
- 0.15 to 0.3m
- Spread
- 0.3 to 0.6m
- Leaves
- green, evergreen
- Flowers
- white, pink, blush, 1 to 2cm
Problèmes courants
- Aphids — Small, soft-bodied insects that can cluster on new growth, causing distorted leaves and stems.
- Spider Mites — Tiny pests that thrive in dry conditions, causing stippling on leaves and fine webbing.
- Root Rot — Fungal disease favored by overly wet soil, leading to wilting and yellowing leaves.
La cultiver
- Propagation
- seed, division, cuttings
- When to plant
- spring, fall
Plant it where it can spill over walls or edges, or use it as a groundcover among plants that appreciate good drainage and sun.
Bonnes associations
- Dianthus (Pinks) — Their low-growing habit and similar bloom time create a lovely carpet effect with the daisies.
- Thymus (Thyme) — Drought-tolerant herbs that appreciate similar conditions and provide a fragrant contrast.
- Sedum (Stonecrop) — Succulent plants that thrive in well-drained soil and sun, complementing the daisy-like flowers.
- Lavender — Its upright form and fragrant blooms offer a nice vertical element and appeal to similar pollinators.
À éloigner de
- Overly Wet Soil — Excessive moisture can lead to root rot and fungal diseases, which this plant cannot tolerate.
- Heavy Shade — While it tolerates some shade, deep shade will reduce flowering and can make the plant leggy.
Espèces similaires
- Erigeron glaucus (Beach Aster) — Also a daisy-like perennial in the same genus, but typically larger and native to coastal California.
- Bellis perennis (English Daisy) — A smaller, more compact plant with a similar daisy-like flower, but with different growing habits and needs.
- Osteospermum (African Daisy) — These offer daisy-like flowers but are often more upright and may have different cold hardiness.
Science
- Family
- Asteraceae
- Genus
- Erigeron
- Order
- Asterales
- Class
- Magnoliopsida
- Native range
- Central and Southern Mexico.
- Conservation
- Not considered of conservation concern globally.
It typically colonizes open, disturbed areas and rocky slopes in its native habitat, often growing in crevices.
- Value to wildlife
- nectar source, pollen source
- Pollinators
- bees, butterflies, moths
- Uses
- ornamental, groundcover, cottage gardens
Au fil des saisons
Repères écologiques
- Salinity
- 2/9
- Soil reaction
- 6.5/9
- Light
- 8/9
- Temperature
- 7/9
- Moisture
- 3/9
- Nutrients
- 4/9
Taxonomie vérifiée avec le GBIF.
Ce qu'on demande souvent
- How much sun does Erigeron karvinskianus need?
- It thrives in full sun to partial shade, performing best with at least 6 hours of direct sunlight daily.
- What kind of soil is best for this plant?
- It prefers well-drained soil and is quite adaptable to various soil types, even poor or rocky ones.
- How often should I water it?
- Water regularly when young, but once established, it's quite drought-tolerant and needs watering mainly during prolonged dry spells.
- When does it bloom?
- It typically blooms from late spring through fall, providing color for a long period.
- Is it invasive?
- In some warmer climates, it can be quite prolific and may spread readily, so it's worth monitoring its reach.
D'où vient le nom
The genus name 'Erigeron' comes from Greek, meaning 'early old man', referring to the seed heads that can appear early and resemble old man's beard. The species name 'karvinskianus' honors the German botanist Wilhelm Karwinsky.
Bon à savoir
- It's a prolific self-seeder, so it can spread readily in suitable conditions.
- Its small flowers change color as they mature, often starting white and aging to pink.
- It's quite drought-tolerant once established.
Ton fleabane a mauvaise mine ?
Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.
Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.