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| Identification |
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Genus
Silybum
Species
marianum
Variety
Cultivar
Common names
blessed milk thistle
holy thistle
Family
ASTERACEAE
Specimen number
S11415
Data source
BtrflyCa p55;BtrflyCa p71;BtrflyCa p75;HtZn p169;Xeri p278
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| Life cycle |
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Life form
Terrestrial
Life cycle
Annual
Life span
1 year
Annual cycle
Not applicable
Stature
Herb
Growth form
Not applicable
Growth habit
Various
Overall height
4'
Overall spread
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| Climate |
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Sunshine
Various
Water
Moist
Optimal soil texture
Various
Acceptable soil pH
Neutral
USDA hardiness
USDA zones 07a-09b
AHS heat zones
Heat zones 05-01
Sunset climate zones
Not classified
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| Garden |
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Suitable for gardens
yes
Nursery
Unknown
Compost
no
Size at acquisition
Unknown
Garden location
Unknown
Garden notes
It tends to become weedy. Silybum marianum can survive cold winter nights that go as low as 0� Fahrenheit. Blessed milk thistle (also known as holy thistle) can tolerate as many as 45 summer days where the temperature exceeds 86� Fahrenheit. It does well in moist soils.
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| Special qualities |
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Tolerates drought
no
Tolerates high humidity
no
Tolerates seaside conditions
no
Insect resistant
no
Disease resistant
no
Deer resistant
no
Best uses
Symbiosis
Phyciodes mylitta (mylitta crescent butterfly);Vanessa virginiensis (American lady butterfly);Vanessa cardui (painted lady butterfly)
Attracts butterflies
no
Attracts hummingbirds
no
Autumn foliage
no
Colorful berries
no
Desirable qualities
Other interest
Other interest color
Other interest period
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| Adverse factors |
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Common pests
Poisonous parts
Poisonous indications
Internal poison
no
Dermatologic poison
no
Livestock poison
no
Mechanical injury
no
Hay fever pollen
Hay fever season
Adverse qualities
Weedy
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| Herbal medicine |
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Medicinal properties
Medicinal parts
Has medicinal uses
no
Do not self-administer
no
Do no use if pregnant
no
Legally restricted
no
Toxicity precautions
Medicinal notes
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| Traditional uses |
|
Parts used
Traditional uses
Contemporary uses
Fragrance
Fragrance parts
Fragrance intensity
Fragrance category
Dye parts
Dye color
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| Cultivation |
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Propagule
Various
Pollination method
Planting style
Crop spacing
Row spacing
Cold frame
Planting period
Harvesting period
Frost tolerance
Heat requirement
Cool
Fertilizer
Typical
Time to harvest
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| Nutrition |
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Is edible
no
Culinary uses
Nutritional value
Edible parts
Description of edible parts
Flavor / texture
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| Horticulture |
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Horticulture notes
It does not necessarily require warm days for good production.
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| Herbarium |
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Tag needs printing
no
Collection notes
Silybum marianum has an annual life cycle. Leaves: Blessed milk thistle (locally known in some parts as holy thistle) has spiny, glossy leaves. Flowers: This plant has globe shaped flowers surrounded by prickly bracts. Most often the blossoms occur in either violet or pink.
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Page 4438 of 4998
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