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Source: https://commons.wikimedia.org/w/index.php?curid=59644023 Author: By Frank Mayfield from Chicago area, USA - Silphium terebinthinaceum PRAIRIE DOCK, CC BY-SA 2.0,

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Source: https://commons.wikimedia.org/w/index.php?curid=52698205 Author: By Krzysztof Ziarnek, Kenraiz - Own work, CC BY-SA 4.0,

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Oceancetaceen - Alice Chodura

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Dianne Ford

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Dianne Ford

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Silphium terebinthinaceumSilphium terebinthinaceum

Prairie Rosinweed

In Stock: 0.238 lb (Total:0.238lb)

Silphium terebinthinaceum

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0.24 lb

Details

Germination:

97%

Germination test:

Actual

Purity:

82%

Seeds per lb:

20,101

Quantity:

0.24 lb

Collected in:

Ohio

Crop year:

2020

Min. hardiness zone:

4

Item ID:

1828667

Characteristics

Growing Info

Scarification: Soak in water, let stand in water for 24 hours

Stratification: cold stratify for 60 days

Germination: surface sow and keep warm and moist

Looking for a hardy and attractive perennial plant for your garden? Look no further than Silphium terebinthinaceum, also known as Prairie Rosinweed. This plant grows up to 1.5 meters tall and 1 meter wide, and produces beautiful hermaphroditic flowers between July and August, which are pollinated by insects. Silphium terebinthinaceum thrives in a range of soil types, including light (sandy), medium (loamy), and heavy (clay) soils, and prefers moist soil. Whether you plant it in semi-shade or full sun, this hardy perennial will add height and color to your garden for years to come. Learn more about this versatile plant on our website today.

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Silphium terebinthinaceum - Web page Navigation - Prairie Rosinweed Page

Description