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  • … Colchicum  is a group of flowers also known as autumn crocuses, though they’re not related to the true crocus. Seventeen species and varieties of  Colchicum  grow in the Graham Bulb Garden. … and include doubles and bicolors. Colchicum cilicum Colchicum  blooms are a great way to brighten up the early autumn landscape. They’re best grown in a groundcover or as an underplanting for taller bulbs such as lilies ( Lilium sp. …
    Type: Blog
  • … Tour the English Walled Garden Inside the Blue Gate Download the GardenGuide App when you visit to use this tour on your phone Distance: .165 miles  Time: 25-35 mins Stop 1: Guardian English … Hedge Window/Hedge Door A window cut into the hedge is at once a wink at formality, a charming way to peek into the next garden, and a great frame for photos. As you step through the hedge's … Inside the Blue Gate Download the GardenGuide App when you visit to use this tour on your phone …
    Type: Page
  • … Did you know there is more to the fossil record than dinosaurs? Or that the plants that were living during the dinosaur ages … Pat Herendeen, Ph.D., and Fabiany Herrera, Ph.D., to learn how they find fossil sites in Mongolia and how they collect and study fossil plants. Sort through samples of fossil plant …
    Type: Item Detail
  • to wipe out a crop with one fell storm. In this month’s edition of Smart Gardener , we get to the root of three fears that often pop up in veggie garden conversations—and offer up some simple … organically, but not sure if your yard qualifies? The Strategy: Send for a Soil Test It’s the best way to get the scoop on what’s really happening underground before you plant—even advanced …
    Type: Plant Info
  • … Reciprocal Admissions Reciprocal Privileges Garden membership is your passport to America’s garden treasures Receive special admission privileges at gardens, arboreta, and … garden has its own unique admissions policies and hours of operation, so please check ahead to get the most current information. The American Horticultural Society administers the reciprocal … has its own unique admissions policies and hours of operation, so please check ahead to get the most current information. The American Horticultural Society administers the reciprocal …
    Type: Page
  • … Winter is actually the best time of year to prune your deciduous plants. Wait for a relatively mild, sunny day, get out your pruners, and take a critical look at your trees and shrubs. As soon as trees and …
    Type: Plant Info
  • … Talk around the Garden is all about orchids this month, with the opening of our Orchid Show. Among the many … It's also when you'll see the new growth that signals emergence from the dormant cycle—the best time for repotting. Is it new? Holiday gift orchids or newly-purchased plants are often … the pot. Pour fresh bark mix around the plant, using a dowel or blunt knife to work it all the way down and between the freshly separated roots. Water thoroughly. Then test your patience: wait …
    Type: Plant Info
  • … (Eutrochium), barrenwort (Epimedium), and ferns. Because they form ever-expanding clumps, the plants benefit from being dug out of the ground, divided, and replanted. Voilá! More plants! … are cool and the soil is usually moist. Dividing perennials in spring also allows the roots to become well established throughout the summer.   Hostas looking a bit crowded last year? Split … spreading perennials, such as yarrow (Achillea) and beebalm (Monarda). It’s also a fun way to increase plants for your garden or your gardening friends.   Achillea Monarda For Siberian …
    Type: Plant Info
  • … Q. What shrubs can be grown in the shade? A. It is best to determine the level of shade in your garden prior to purchasing plants for that area. Deep …
    Type: Plant Info
  • … Ask any of our horticulturists to name the most important job in their gardens right now and they’ll all answer the same way: "Weeding." In this month's Smart Gardener , we take on the topic that gardeners love to … those who forget to wear gloves and goggles while removing it. Like all weeds, buckthorn is best removed when small. Dig the plant up entirely. Not sure if that sapling is a buckthorn? …
    Type: Plant Info