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New Plants
Agapanthus Snowstorm® and Bluestorm®
Hydrangeas
Loropetalum chinensis Pizazz®
All American Daylilies®
Flower Carpet® Roses
Canna Tropicanna®
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Plant Links

Cal Poly University's Tree Selection Guide If you want to make sure a tree is compatible with your site. The trees listed in this resource are meant to create an awareness of the great variety of trees that will grow in California, and to encourage people to think about planting a greater variety of trees.
Colorado State University's Entomology Dept. Learn more about insects at this website from Colorado State University. This is the first Entomology website in the world, and went into operation on 27 February 1994.
Plant Facts from Ohio State University guides for answering questions from 46 different universities and government institutions across the U.S. and Canada. Site also has information research and training at 40 university departments.
Encyclopedia of Plants Complete resource for all of your Gardening Needs. It provides information regarding the general description of the plants, the various methods of cultivation, such as indoor or outdoor planting, soil and temperature requirements, pruning, and other important details, the means of propagation (seeds, cuttings, division, etc.), and the different varieties and hybrids
The PLANTS DATABASE of the U.S. Department of Agriculture A single source of standardized information about plants. The database focuses on vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. It includes names, checklists, automated tools, identification information, species abstracts, distributional data, crop information, plant symbols, plant growth data, plant materials information, plant links, references, and other plant information.
Botanical Data Overview The U.C. Berkeley Digital Library Project provides access to information about all 8,375 currently recognized vascular plants in California, including over 660,000 records of plant observations and 20,000 photographs. Users may browse these collections by scientific or common names, or search by name, location, and other attributes.
The Plant Dictionary of Ohio State University An indexed system of teaching resources for the discipline of Horticulture and Crop Science. It includes plants, pests and diseases, history of horticulture, biology, and plant technology.


USDA guide to the hardiness zones of North America
how they work (and how they don't)
Because plants vary in the temperatures they can endure plant hardiness zone maps have been developed to help you decide which plants you can grow in the area where you live. The zones are based on the average coldest temperatures for each area.

Keep in mind, though, that the average minimum temperature is not the only factor to consider. You also have to think about soil type, rainfall, daytime temperatures, day length, wind, etc.

Even within a city or town there can be microclimates that affect how your plants will grow. The USDA zonal map, however, is a good start. To check it out, just click on the USDA hotlink on the lefthand side of the screen.

ZONE NUMBER TEMPERATURE RANGE
1 BELOW 50°F
2 -50°F - -40°F
3 -40°F - -30°F
4 -30°F - -20°F
5 -20°F - -10°F
6 -10°F - 0°F
7 0°F - 10°F
8 10°F - 20°F
9 20°F - 30°F
10 30°F - 40°F
11 ABOVE 40°F


El Modeno Gardens, Inc. 11911 Jeffrey Road, Irvine CA 92602.
Phone: (800) 776-8111     Email: elmo-deno@elmodenogardens.com
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