This document discusses three cultivars of Philadelphus lewisii, or mock orange, that were planted and observed for one year in Montrose, Colorado. The cultivars discussed are 'Blizzard', which was planted and observed for one year, and 'Cheyenne', which was also planted and observed for one year.

1. Philadelphus lewisii
Mock orange

4. Species. Rancho Santa Ana Botanic Garden, Claremont CA.

7. ‘Blizzard’ cultivar. One year in ground, Montrose CO.

8. ‘Blizzard’ cultivar. One year in ground, Montrose CO.

9. ‘Cheyenne’ cultivar. One year in ground, Montrose CO.