Prairie Rosinweed Silphium terebinthinaceum

Detailed Listing For
Botanical Name:

Silphium terebinthinaceum

Family:

Asteraceae

Genus:

Silphium

Species:

terebinthinaceum

Common Name:

Prairie Rosinweed

Seeds Per Pound:
24,514
Quantity:
0.48 lb
Average Viable Seeds/Packet:
42
Germination:
97%
Germination Test Type:
Actual
Purity:
82%
Collection Locale:
Ohio
Crop Year:
2020
In Stock: 0.48 lb
Prices
  • Silphium terebinthinaceum

Items are priced on a curve, you can buy any 'bulk quantity' up to what we have in stock, some examples are:
1 packet
$4.95
10 g
$17.50
1 oz
$39.95
Growing Info, follow in order:
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.
Physical Characteristics  Silphium terebinthinaceum is a PERENNIAL growing to 1.5 m (5ft) by 1 m (3ft 3in). It is hardy to zone 4. It is in flower from Jul to August, and the seeds ripen in August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects. The plant prefers light (sandy), medium (loamy) and heavy (clay) soils.The plant prefers acid, neutral and basic (alkaline) soils..It can grow in semi-shade (light woodland) or no shade.It requires moist soil.
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Usda description:
More info on http://plants.usda.gov
Short description:
Physical Characteristics : PERENNIAL growing to 1.5 m (5ft) by 1 m (3ft 3in). It is hardy to zone 4. It is in flower from Jul to August, and the seeds ripen in August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects. The plant prefers light (sandy), medium (loamy) and heavy (clay) soils.The plant prefers acid, neutral and basic (alkaline) soils..It can grow in semi-shade (light woodland) or no shade.It requires moist soil.
more »
Usda description:
More info on http://plants.usda.gov