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Family: Buxaceae Genus: Buxus (BUK-sus) (Info) Species: sempervirens (sem-per-VY-renz) (Info) Cultivar: Green Tower Additional cultivar information: (PP15243; aka Green Tower®, Monrue) Hybridized by Rusow/Monrovia Nursery Company; Year of Registration or Introduction: 2004
Spacing: 18-24 in. (45-60 cm) 24-36 in. (60-90 cm)
Hardiness: USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F) USDA Zone 9a: to -6.6 °C (20 °F)
Sun Exposure: Sun to Partial Shade Light Shade
Danger: Parts of plant are poisonous if ingested Handling plant may cause skin irritation or allergic reaction
Bloom Color: Green
Bloom Time: Mid Spring
Foliage: Grown for foliage Evergreen
Other details: Average Water Needs; Water regularly; do not overwater Provides winter interest Suitable for growing in containers
Soil pH requirements: 6.6 to 7.5 (neutral)
Patent Information: Patented
Propagation Methods: From softwood cuttings From semi-hardwood cuttings
Seed Collecting: N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
On Apr 9, 2009, Joan from Belfield, ND (Zone 4a) wrote:Editor's Note
Some resources list the leaves of Buxus plants as poisonous if ingested. They are believed to contain steroidal alkaloids that can cause nausea, vomiting, diarrhea, dizziness, convulsions, or in severe cases, respiratory failure.
Contact with the cell sap in the leaves may cause skin irritation and/or dermatitis.
We tend to err on the side of caution in PlantFiles, and the poisonous notation in the details above is to warn people to look further for more information before eating and handling.
On Apr 12, 2008, Wassercom from Northbrook, IL wrote:
Purchased two specimens in the spring of 2006. They seem to be borderline hardy in our area (Zone 5a). Each spring, they drop about 50% of their leaves and make a slow comeback over the summer.
On Sep 21, 2007, plantmover from Hampton Roads, VA (Zone 7b) wrote:
This is great plant for limited space. Purchased several to form a privacy hedge. They get morning and some early afternoon sun and have grown about 18" in 4 months' time. I asked the plantsman about the new growth that was floppy and limp looking. She said that as those stems matured, they'd harden and straighten. She was correct. I've not had to trim any off, and they've stood tall and tight within a few weeks' time. How nice to have a hedge that doesn't require continual pruning, not to mention its distinct and pleasant fragrance! Way to go Monrovia!
It's obvious in the picture which ones were purchased at the beginning of summer and which ones were just purchased in Oct.
On Jul 5, 2007, braun06 from Hanna City, IL (Zone 5a) wrote:
I planted one early in the Spring of 2006 and the plant has done quite well. It had a little burn as it is fully exposed to sunlight and wind but only towards the ends of the newest growth. It doesnt grow perfectly upright, the side branches sometimes flop down and a little esthetic pruning is needed to make it look neat, but i do mean minimal. It isnt a very quick grower, maybe 4-6 inches is a practical expectation for a year.
On May 27, 2007, dboisineau from Cliffside Park, NJ (Zone 6a) wrote:
Just planted these as a hedge in my tiny backyard. They're from Monrovia. The plants arrived super healthy and gorgeous. I hope they remain the size specified as 9' tall/ 2' wide. They're supposed to be faster growing than the ilex 'skypencil' that is similar in size. Keep your fingers crossed.
Regional...
This plant has been said to grow in the following regions:
One member has or wants this plant for trade.
