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The common sunflowers we see in cut flower bouquets are annuals, as are the sunflowers grown for seeds, but other species are perennials. Many perennial sunflowers are native to the prairie ...
Sunflowers come in all sizes, shapes and colors, from gigantic to knee-highs designed to fill a vase with happy flowers. We even have the California native sunflower (Helianthus annuus) decorating ...
Repotting a houseplant in winter may be necessary if the plant is showing signs of stress. To help you decide whether your plant needs a new pot or not, here are some signs that winter repotting ...
The inflorescence holds several flower heads. Each head is supported by a base covered in long, pointed phyllaries that bend back as the head ages and develops fruit. The flower head has a fringe of golden yellow ray florets , each two to three centimeters ( 3 ⁄ 4 – 1 + 1 ⁄ 4 in) long, and a center filled with curly yellow and brown disc ...
The flowers are yellow and composite, looking much like true sunflowers, and sometimes grow to about 5 cm (2 in) wide. [3] Both the (8–12) ray and disk flowers are yellow, [3] with one flower head on each flowering stalk. [2] [6] The flower heads have 6–14 rays, which are darker towards the base, and several disk flowers. [7]
Helianthus gracilentus is a species of sunflower known by the common name slender sunflower. [1] It is native to central and southern California (from Napa County to San Diego County ) [ 1 ] and Baja California , [ 2 ] where it is a member of the dry wildfire -prone chaparral ecosystem, as well as woodland ecosystems.
Transplanting your indoor houseplants is easier than you think. Here's how to repot a plant in five steps, including all the tools you need. The whole process will take around 10 minutes.
Of California's total plant population, 2,153 species, subspecies, and varieties are endemic and native to California alone, according to the 1993 Jepson Manual study. [4] This botanical diversity stems not only from the size of the state, but also its diverse topographies , climates, and soils (e.g. serpentine outcrops ).