… family) with pendulous racemes featuring soft yellow bracts surrounding creamy white flowers. Best grown in a large container and trained upon a scaffolding so the 2- to 4-foot long cascades of flowers can be shown off to best effect. The common name celebrates … in Pattaya, Thailand. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
Type: Garden Guide Plant
… century sparked an unprecedented enthusiasm for plants. Inspired by some of the first books to be printed—classical Greek and Roman botanical texts—early Renaissance botanists set out to acquire, understand, and use the world’s plants. The book quickly became an invaluable tool for sharing botanical discoveries. Plant-based medical reference books became best-sellers, while beautifully illustrated volumes introduced new and desirable plants from all …
Type: Page
… needed living tissue from Thujopsis dolabrata or any of its cultivars within 24 hours to determine if the plant was the cause of the girl’s life-threatening allergic reaction. The … the hospital, National Jewish Health. After I got the call, I looked into the hospital, which is known worldwide for treating patients with respiratory, immune, and related disorders. In the … were testing, including Thujopsis , a rare evergreen shrub that is native to Japan. A hospital official began the search for the plant with a colleague of mine at the Denver Botanic Gardens. …
Type: Blog
… circulation, and don't keep them in the fridge—it destroys their flavor and texture. The best tomato flavor develops when fruits ripen on the plant. Harvest by gently twisting the tomato … bag or in the fridge. Plastic bags do not allow the ethylene produced as tomatoes ripen to escape, thus speeding up the ripening process considerably. Don't ruin a crop unintentionally. The refrigerator is too cold for tomatoes: Temperatures below 55 degrees Fahrenheit will ruin the flavor and …
Type: Page
… Achillea 'Citronella' produces lemon-yellow flowers from July to August. The stems stand 24 inches tall with grayish-green fernlike foliage, which is mildly aromatic. It does best in full sun with moderate moisture. It is attractive to butterflies and hummingbirds while …
Type: Garden Guide Plant
… lawns. Now is the time for spring lawn maintenance. The main purpose of spring lawn care is to get the turf through the summer months. Cool-season grasses such as Kentucky bluegrass, … in a full-sun area, a blend of Kentucky bluegrass and turf-type perennial rye grass works best. For a full-shade area, a fine-leaf fescue works best. If your area is a mixture of part … are some very important features to consider when you travel to your local garden center to buy your fertilizer. Knowing the square footage of lawn that you have on your property will …
Type: Blog
… A new collaboration between Garden scientists and the U.S. Fish and Wildlife Service is hoping to expand the range of a species once extinct in Illinois. Garden scientists, students, and collaborators are conducting research to guide recovery of the federally threatened lakeside daisy ( Tetraneuris herbacea ). Plant …
Type: Research
… This European evergreen conifer can grow to 60’ in cultivation but may top out at 200’ in the wild. It does best in colder climates and doesn’t do well south of Zone 7. It has the classic evergreen pyramid … with well-drained soil. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
Type: Garden Guide Plant
… Rudbeckia maxima has attractive oval, blue-green basal leaves that can be up to 18 inches long. The flower stalks rise high above the mounded foliage and are covered with … daisylike blossoms with black centers. Because this plant, which grows 5 to 6 feet tall, is bold-textured, it is best used mid-border because the leaves are low and the plant is see-through. It provides late …
Type: Garden Guide Plant
… approaches the final stages of our “Keep Growing” capital and endowment campaign, we pause to review the progress we’ve made together: In 2017, we finished major construction projects on … of our new greenhouses, the first since the Garden opened in 1972. When the greenhouse project is complete later in 2018, the state-of-the-art plant production facilities will be triple the … director of the Garden, the Garden staff works as a coordinated team every day to bring the best the Garden has to offer to all of its varied constituencies. Thank you for your commitment …
Type: Page