Rosa arkansana
PRAIRIE WILD ROSE
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Wild prairie rose is the state flower of the U.S. states of Iowa and North Dakota. In Iowa, convention states the species is Rosa pratincola (currently treated as a synonym of Rosa arkansana). North Dakota, on the other hand, specifies either Rosa arkansana or Rosa blanda.
Rosa arkansana is grown as an ornamental plant, and has become naturalized in parts of Massachusetts, New York, and North Dakota.
Type: Hardy shrub
Height: 60-90 cm, 2-3 feet, 24-36"
Location: Sun or part sun
Hardiness zones: 4 and up
Seeds per pack: 10
Sow just under the surface of the soil and water in. First keep them at room temperature for 6 weeks. This helps break the phytohormones which inhibit germination. Then cover them with plastic to retain moisture, and then place in a fridge for 8 weeks. Then bring them to a cool room (approximately 12C, 54F) for 8 weeks for germination. They may be growing at this point, though often they need a second cold period. If they are not growing cover them with plastic and place in a fridge for another 6-8 weeks. Be sure they stay moist. After the second cold stratification period they are then brought back to a cool (12-15C, 54-59F) room for them to germinate. This double cold period is not always needed, but sometimes necessary, and is very normal for these seeds. Germination is in 30-90 days after the second warming period.
Rosa arkansana
PRAIRIE WILD ROSE
- Unit price
- / per
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Wild prairie rose is the state flower of the U.S. states of Iowa and North Dakota. In Iowa, convention states the species is Rosa pratincola (currently treated as a synonym of Rosa arkansana). North Dakota, on the other hand, specifies either Rosa arkansana or Rosa blanda.
Rosa arkansana is grown as an ornamental plant, and has become naturalized in parts of Massachusetts, New York, and North Dakota.
Type: Hardy shrub
Height: 60-90 cm, 2-3 feet, 24-36"
Location: Sun or part sun
Hardiness zones: 4 and up
Seeds per pack: 10
Sow just under the surface of the soil and water in. First keep them at room temperature for 6 weeks. This helps break the phytohormones which inhibit germination. Then cover them with plastic to retain moisture, and then place in a fridge for 8 weeks. Then bring them to a cool room (approximately 12C, 54F) for 8 weeks for germination. They may be growing at this point, though often they need a second cold period. If they are not growing cover them with plastic and place in a fridge for another 6-8 weeks. Be sure they stay moist. After the second cold stratification period they are then brought back to a cool (12-15C, 54-59F) room for them to germinate. This double cold period is not always needed, but sometimes necessary, and is very normal for these seeds. Germination is in 30-90 days after the second warming period.