Baccharis halimifolia

Groundsel Bush

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Semi-evergreen shrub native to SE USA, known for salt tolerance and cottony seed heads. Thrives in full sun with low maintenance needs.
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Plant Details

Common Name Groundsel Bush
Family Asteraceae
Genus Baccharis
Species Halimifolia
Origin United States / Caribbean
Blooming Late summer to autumn, white flowers followed by cottony seeds (female plants)
Leaf Color Grey-green to dark green
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Well-drained sandy or loamy soil, tolerates saline conditions, pH neutral to slightly alkaline

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Watering

Drought tolerant once established. Water regularly during establishment, reduce frequency as soil dries out completely.

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Sunlight & Care

Full sun required for compact growth and flowering; partial shade acceptable in very hot climates

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Fertilization

Low nutrient demand. Apply balanced fertilizer early spring if foliage appears pale, avoid heavy feeding.

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Pruning

Prune heavily in late winter to control size and encourage flowering; remove seed heads on female plants if not desired.

Pest Control Aphid Scale Insect Spider Mite

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
41° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 40000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 4500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
10% – 45%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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