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Products > Cupressus guadalupensis 'Greenlee's Blue Rocket'
 
Cupressus guadalupensis 'Greenlee's Blue Rocket' - Greenlee's Blue Rocket
   

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Habit and Cultural Information
Category: Tree
Family: Cupressaceae (incl. Taxodiaceae) (Cypresses)
Origin: California (U.S.A.)
Evergreen: Yes
Flower Color: Insignificant
Bloomtime: Not Significant
Synonyms: [Hesperocyparis, 'Greenlee's Silver Rocket']
Height: 40-60 feet
Width: 6-8 feet
Exposure: Full Sun
Seaside: Yes
Summer Dry: Yes
Deer Tolerant: Yes
Irrigation (H2O Info): Low Water Needs
Winter Hardiness: 15-20 F
Cupressus guadalupensis 'Greenlee's Blue Rocket' (Greenlee's Blue Rocket) - This is an evergreen upright-growing tree with silvery-gray foliage. This particular form was selected by John Greenlee from a group of seedlings. The oldest planted specimen exhibits a narrower growth habit than is typical. Although ultimate height and width are unknown it will probably grow to about 45 feet tall by 6-8 feet wide. In its native habitat on Guadalupe Island off of Baja California the species is known to reach nearly 60 feet tall with a broad rounded head. Plant in full sun. This tree is drought tolerant with a cold hardiness of 15 degrees F. Closely related to the Tecate Cypress, Cupressus guadalupensis var. forbesii has a range on the mainland from Mexico into southern California. Recent genetic research has shown that the Western Hemisphere cypresses are a well-supported clade quite separate from the Eastern Hemisphere cypressus. For this reason a new genus, Hesperocyparis, has been erected for the New World cypresses while the Old World plants will retain Cupressus. We are currently leaving this plant as Cupressus until this change becomes widely accepted. We were given this plant by John Greenlee in the mid 1990s as a fastigate form of Cupressus guadalupensis that he had selected from a seed lot that was grown by and from seed collected by David Amme. In 2001 we took our first cuttings of this plant and the following year offered up our first crop of it. This was the first time this plant was being sold and it lacked a cultivar name, so to help describe its unique erect form with blue-gray foliage we named it 'Greenlee's Blue Rocket' and first listed it in our 2002 catalog as such. More recently we have seen this plant also called out by the name "Greenlee's Silver Rocket", which while also descriptive, is not the name that we have grown this plant as since it was first introduced in 2002.  This description is based on research and observations of this plant as it grows in our nursery, in our nursery garden and in other gardens that we visit. We also incorporate comments received and appreciate getting feedback of any kind from those who have any additional information about this plant, particularly if they disagree with what we have written or if they have additional cultural tips that would aid others in growing Cupressus guadalupensis.
 
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