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2. Helianthus annuus 'Russian Giant' - Wikipedia

   en.wikipedia.org/wiki/Helianthus_annuus_'Russian...

   Helianthus annuus 'Russian Giant' can grow in a neutral to alkaline, well-drained moisture, rich in humus, and moderately fertile soil exposed to full sun. A cane might be needed to support the weight of the bloom.

3. Sunflower seed - Wikipedia

   en.wikipedia.org/wiki/Sunflower_seed

   A sunflower seed is a seed from a sunflower (Helianthus annuus). There are three types of commonly used sunflower seeds: linoleic (most common), high oleic , and sunflower oil seeds. Each variety has its own unique levels of monounsaturated, saturated, and polyunsaturated fats.

4. Brooks Pennington Jr. - Wikipedia

   en.wikipedia.org/wiki/Brooks_Pennington_Jr.

   Over the course of 50 years, he built a warehouse and developed the wholesale side of the business and also developed new agricultural crop varieties, seed coatings and seed treatments. He retired as President and Chairman of Pennington Seed Inc. due to ill health in the mid-1990s., [1] the annual turn-over had grown to over $200 million. [2]

5. Perennial sunflower - Wikipedia

   en.wikipedia.org/wiki/Perennial_sunflower

   Native Americans domesticated the wild perennial sunflower Helianthus tuberosus by selecting individuals with larger tubers. This crop plant (now called by the misleading name Jerusalem artichoke) was grown for its tubers and not for its seed. The perennial sunflowers being developed as an oilseed crop by modern plant breeders may have tubers ...

6. Helianthus schweinitzii - Wikipedia

   en.wikipedia.org/wiki/Helianthus_schweinitzii

   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.

7. Heliantheae - Wikipedia

   en.wikipedia.org/wiki/Heliantheae

   Commercially important plants in the Heliantheae include sunflower and Jerusalem artichoke. Many garden flowers are also in this group, such as Coreopsis, Cosmos, Echinacea, Rudbeckia, and Zinnia. Some authors separate Coreopsis and Cosmos into the Coreopsideae tribe. [1] In contrast to the benefits brought by the group, some are problematic weeds.