Siouxland Cottonwood

Populus deltoides ‘Siouxland’
70-80 feet high x 40-50 feet wide
Broad oval shape
Zone 3
Full Sun

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Siouxland poplar is a “cotton-less cottonwood”. It is an extremely fast-growing tree that possesses a stately pyramidal form with a rounded top; the perfect shade tree for a large area. Leaves are heart-shaped and glossy green colored in the summer turning yellow in the fall. Prefers moist, well-drained soils to wet soils. Will tolerate occasional flooding or drought once established. Can tolerate alkaline and clay soils. Provide regular, deep watering.

Throughout this site, the following are used as guidelines for watering established plants:

water_drops_icon  These truly xeric plants can live with our 12 inches of natural annual precipitation and only need a winter watering during a multi-year drought, but they will thrive with a monthly watering. Overwatering will kill some of these.
water_drops_iconwater_drops_icon  These plants are adapted to intermittent deep watering with soil drying to a depth of a few inches between waterings. Watering frequency may be every couple of weeks during the active growing season and maybe only one winter watering for optimal care.
water_drops_iconwater_drops_iconwater_drops_icon  These plants need regular watering somewhat like a bluegrass lawn so that they never dry to depth in the root system during the active growing season, and need occasional winter watering to prevent root dessication and resultant plant death.

About sizes of our plants:

Sizes indicated with a # are roughly the equivalent in gallonage; so a #2 is about a 2 gallon pot size; b&b stands for balled and burlapped.