Acanthospermum Species, Paraguay Bur, Paraguayan Starburr, Sheepbur, Spiny-Bur

Acanthospermumaustrale

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Acanthospermum (a-kanth-oh-SPER-mum)
Species
australe (aw-STRAL-ee)
Synonym
Acanthospermum brasilianum
Acanthospermum hirsutum
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
Hardiness
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
N/A
Bloom Color
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Other Details
Category
Groundcovers
Herbs
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From woody stem cuttings
Direct sow as soon as the ground can be worked
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Regional

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Gardener's Notes:

0
positive
1
neutral
0
negative
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(Zone 10b) | February 2010 | neutral

Acanthospermum australe
some common names (Acanthospermum australe (Paraguayan starburr, ...Read More

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