Rosa / rose

Genus: Rosa

Common Name: Rose

details

Roses provide primarily a pollen source for most bees, as many rose species produce little nectar. Native roses are superior pollinator plants to the hybrid cultivars, as they generally provide more pollen and easier access to it. In the realm of non-natives, single petal roses are preferable to the ornamental hybrid tea varieties that are bred for showy, multiple petals. These extra petals come at the expense of the pollen-producing parts of the plant. Roses also afford a preferred nesting material for leafcutter bees, as the females will cut perfect circles from the leaves, which they will use in constructing their nests.

 

Native Regions

Nationwide, United States and Canada

 

Availability

Routinely available and easily grown in most parts of North America. Most native roses prefer dry to average soil, but a few species like swamp rose can tolerate wetter environments.

 

Duration

Perennial

 

Bloom Time

Spring through summer

 

Average Height

6 feet

 

Flower Color

Yellow

Pink 

White 

Red 

 

Exposure

Full sun to partial shade

 

Water Requirements

Average to dry

 

Recommended Species

Rosa nutkana (nootka rose), which is native to the western U.S., British Columbia and Alaska, is an attractive 6 foot shrub that is commercially available and can be incorporated into landscaped areas. It produces abundant, open-faced, pink flowers, with numerous stamens and pistils, May through July.

 

Rosa woodsii (woods’ rose) is a long-lived shrub native to the central and western U.S. and Canada. It grows 2 to 10 feet tall and forms loose or dense thickets. Smallish light to dark pink flowers bloom singly or in clusters, May to July. The open flowers have many stamens, affording an excellent pollen source for pollen-collecting bees. It is a widely adapted species and grows in many habitat types, including both dry and moist environments.

 

Rosa virginiana (Virginia rose) is a native, eastern shrub growing between 4-6 feet tall. This species, which ranges from Arkansas, east to Alabama, north to Newfoundland and west to Ontario, bears fragrant pink flowers that are two to three-inches in diameter, from June to August. Virginia rose succeeds in moist soils, even growing well in heavy clayey soils, a condition that some other native roses won’t tolerate. It prefers a sunny position and does well under winter conditions. This is an outstanding, readily available, ornamental shrub that is easy to grow.

bee Visitors

Andrena / Mining Bee

Anthophora / Digger Bee

Augochlora / Sweat Bee

Augochlorella / Sweat Bee

Bombus / Bumble Bee

Ceratina / Small Carpenter Bee

Halictus / Sweat Bee

Hylaeus / Yellow-faced Bee

Lasioglossum / Sweat Bee

Megachile / Leafcutter Bee

Osmia / Mason Bee

Xylocopa / Large Carpenter Bee

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