It forms a compact, bushy clump of ferny, green leaves, with short branching stems that bear deep chocolate-burgundy flowers throughout the summer and into the fall. Keep flowers harvested and snip away spent blooms and foliage to diminish conditions favorable to these fungal pathogens, and to keep plants healthy and productive.A very unique form of the Pincushion Flower, this selection is treated as an annual in all but the mildest winter areas. Zinnias are susceptible to some common plant diseases, such as powdery mildew and alternaria leaf blight. With 1–2½" blooms, the smaller-flowered or pompom types, such as 'Sunbow' and the Oklahoma Series, are generally more durable, with sturdy stems and compact heads - and both are available in mixes that flower in a spectrum of colors.ĭisease Prevention. At the other end of the scale, their diminutive counterparts are exceptionally productive, and light up bouquets with flashes of color. The large, 4–6" diameter giant dahlia-bloom and cactus-bloom types are the most well known for their grandeur and ability to easily fill out bouquets and bunches. Another plus for zinnias is the breadth of size and shape they offer. Harvest Cues: When petals begin to lift off the face or disc of the flower, or when petals are perpendicular to the face or disc.planting multiple times throughout the seasonīecause sunflowers - especially single-stem varieties - have a fast production time, both methods can be used separately or in combination for a full season of bright blooms.planting multiple varieties with various maturity times and/or.There are two primary ways to plant in order to achieve a successive harvest: To help you learn how to succession-plant sunflowers using different varieties, we provide 3 examples in our Sunflower Harvesting Programs.Īnother major advantage to sunflowers is that they lend themselves beautifully to succession-planting, so you can achieve a season-long harvest. Branching SunflowersĪ season-long harvest of sunflowers can be achieved by following a succession-planting program. The ProCut Series sunflowers are a favorite for their unmatched, fast production time, wide range of colors, and full, graceful booms. The classic, golden yellow with dark centers are popular for bright or earthy high-summer and autumn bouquets, whereas those with green centers or lemon-colored petals are useful for fresh-looking spring and early-summer bouquets. Single-stem varieties are available in a number of shapes and colors. They are also easy and quick to harvest - cut the single stem at your desired length and strip a few leaves - no need to bend over or reach up to hunt for stems. In addition to their easygoing ways and high-quality blossoms, single-stemmed varieties offer quick, dependable production time (relatively few days to maturity). Scoring first-place for quality and reliability, single-stem sunflowers are a one-cut deal - producing one sturdy, high-quality stem per seed or plant. Sunflowers come in a variety of forms, including dwarf and perennial varieties, but for our purposes we'll focus on the two types known to excel as cut flowers - single-stemmed sunflowers and branching sunflowers. Sunflowers top our short-list because they germinate in under two weeks, require only a few months before they're ready to harvest, and consistently produce cheery blooms enjoyed by all. Many a first foray into gardening - whether in childhood or much later in life - has involved sunflowers. The single-stemmed and branching types are known to excel as cut flowers. Sunflowers come in a wide array of colors and forms.
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