The City of San Francisco, CA designated the dahlia as its official flower on October 4, 1926. Mexico, a country with over 30,000 native flowering plants, chose the simple Dahlia pinnata as its ...

He puts a 30-11-11 mixture of nitrogen, phosphorus and calcium in the hole when he plants each dahlia, then after they bloom he adds 10-54-10. And oh, yes, these beauties are not hardy.

They come in a dazzling array of colors, flower sizes, flower forms and foliage color. Blue is the only color not yet developed. Plant height can range from around 12 inches to over 6 feet tall.

Reporter CAPITOLA, Calif. — The Monterey Bay Dahlia Society hosted its annual Dahlia show at the Capitola Mall on Saturday. The show had over 1,000 blooms to look at with visitors from near and far.

Maintaining a flourishing flower garden can be expensive, but propagating your existing plants by seed or cutting can help to fill in space for free.

From about 120 plants, he will choose those destined for the upcoming Greater Philadelphia Dahlia Society's annual show at Longwood Gardens Sept. 20 and 21, and only the best will do.

Cindy Sprague, past-president of the Colorado Dahlia Society and a dahlia grower for about 20 years, is preparing for the Colorado Dahlia Society show, set Sept. 7-8 at the Loveland Public Library.

They're easy to grow, they have bright, vibrant blooms, and they come in dozens of colors, sizes, and shapes from the ...

Pearson’s cut flower markets lasts just 8-10 weeks and makes up 15 percent of his annual income. The tuber season, which is the bulk of his business, runs from Aug. 1 through June 1.