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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 ...
A few farms in Southern California grow fields of sunflowers for wandering and picking, with flowers blooming from summer into fall, including Tanaka Farms' Hana Field in Costa Mesa, the Pumpkin ...
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 ...
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.
Its leaves are thick and stiff, tending to droop towards the end. The sunflower is perennial, and flowers for about two to three weeks in early October. [5] [6] Schweinitz's sunflower spreads through dispersal of seeds without a dormant period. One plant generally produces 3-6 yellow flower heads.
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.
The BBCH-scale (sunflower) identifies the phenological development stages of the sunflower (Helianthus annuus). It is a plant species specific version of the BBCH-scale . Phenological growth stages and BBCH-identification keys of sunflower