EDGE San Francisco

Who says you need a backyard garden to give your green thumb a workout? Here are six tips for growing your favorite herbs and vegetables in small spaces.

Get an insider’s peek at some of the nation’s most spectacular historical homes and gardens during the annual Maryland House & Garden Pilgrimage, Apr. 20 - May 18.

Dozens of farmers in California and other states have started replacing some of their crops with flowers and shrubs that are enticing to bees, hoping to lower their pollination costs and restore a bee population devastated in the past few years.

The Pennsylvania Horticultural Society’s McLean Library, located on the first floor of PHS headquarters, 20th and Arch Streets, will house a plant exhibition, "Strange Beauties," beginning Oct. 31 and continuing through Dec. 2.

Pumpkins are to Fall as Santa Claus is to Christmas. Pumpkin production, which climbed to 1.5 billion pounds in 2010, reaches its peak in October as Americans prepare to celebrate Halloween.

Nice work if you can get it: Queen Elizabeth II is seeking a chief gardener to look after the grounds of Balmoral Castle, her Scottish retreat. The position offers prestige, challenges and a chance to live on the castle’s extensive grounds.

Hundreds of bushes of Rhododendron maximum, also known as great laurel or rosebay, are starting to bloom in a 16-acre grove in the southwest part of the state. The plants at Rhododendron State Park are at least several centuries old and are rare.

A vacant lot in the center of the asphalt jungle has suddenly gone green. The Pennsylvania Horticultural Society today introduced "PHS Pops Up" at 20th and Market Streets, a showcase for PHS’s community greening programs.

Garden tourism has blossomed as an attractive niche for cities, not only as a way to spruce up their collective curb appeal but to generate green for hotels, restaurants and shops.

Guests at next week’s White House state dinner will dine on lettuce and other veggies from the first lady’s garden.