In addition, dahlias also contain many transposons-genetic pieces that move from place to place upon an allele-which contributes to their manifesting such great diversity. ![]() This great variety results from dahlias being octoploids-that is, they have eight sets of homologous chromosomes, whereas most plants have only two. Flower forms are variable, with one head per stem these can be as small as 5 cm (2 in) diameter or up to 30 cm (1 ft) ("dinner plate"). There are 42 species of dahlia, with hybrids commonly grown as garden plants. A member of the Compositae (also called Asteraceae) family of dicotyledonous plants, its garden relatives thus include the sunflower, daisy, chrysanthemum, and zinnia. Water your dahlias if they are not getting about an inch (2.5 cm.) of rainfall per week.ĭeadhead the spent blooms as they expire and you will enjoy dinnerplate dahlias from midsummer through the fall.Dahlia ( UK: / ˈ d eɪ l i ə/ or US: / ˈ d eɪ l j ə, ˈ d ɑː l-, ˈ d æ l j ə/) is a genus of bushy, tuberous, herbaceous perennial plants native to Mexico and Central America. Use a typical flower fertilizer about twice a month. Your soil for growing dahlias should be rich, but these flowers will also respond well to regular fertilizing. These plants grow tall, up to four feet (1 m.), so also choose a site where they won’t overshadow other plants. ![]() To get the biggest blooms from your dinnerplate varieties, choose a sunny spot with rich soil that drains well. Whether you’re starting from seed or transplants, don’t put your flowers outside until you are sure there will be no more frosts. Watch your flowers and use stakes or some other type of support if they start to lean or flop over. Since the blooms are so large, though, staking and support may be more important with these varieties. ‘ Contraste’ – ‘Contraste’ flowers are deep red with white at the tip of each petal.ĭinnerplate dahlia care is just about the same as caring for any type of dahlia.‘ Café au Lait’ – This subtle stunner produces creamy white to peach flowers.‘ Taihejo’ – ‘Taihejo’ flowers are streaked with pink and white and have petals that are twisted.‘ Babylon Bronze’ – This one is also a double bloom, but it comes in a stunning pale orange color.‘ American Dream’ – This variety produces large pink double blooms with darker pink stripes.Some examples of spectacular dinnerplate dahlia flowers include: Dahlias are already spectacular and showy flowers, so adding dinnerplate varieties to your beds adds even more drama.ĭahlias offer a greater range of color and form than most other flower types, so if you want some dinnerplate blooms in your garden, you have a lot of options. ![]() You can find them in a range of colors and forms, and they are essentially just larger versions of the many varieties of dahlia. The dinnerplate dahlia (also spelled dinner plate) is simply a variety of dahlia that produces big, plate-sized blooms. They are also great for cutting and making stunning floral arrangements. Like other dahlias, these flowers bloom consistently for weeks and add beautiful color to beds. How big are dinnerplate dahlias? The name says it all these are dahlias that produce huge blooms of up to 12 inches (31 cm.) across.
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