Sunflower (Helianthus annuus 'Mammoth') in the Sunflowers Database

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Fruit: Edible to birds
Flowers: Showy
Uses: Dye production
Edible Parts: Fruit
Dynamic Accumulator: Ca (Calcium)
Mn (Manganese)
Zn (Zinc)
Cu (Copper)
Resistances: Drought tolerant
Propagation: Seeds: Self fertile
Sow in situ
Pollinators: Flies


Sunflower SecretsSunflower Secrets
October 21, 2014

Amazing blooms, those sunflowers have, and behind every huge golden petaled, chocolate-centered face, there hides a world of secrets. Their seeds are filled with nutrition, their young faces follow the sun, and their petals, seeds, and hulls provide both yellow and a dark purple dye. But that's not all: Sunflowers are the globetrotters of the plant world.

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Plant Events from our members
NikkiGerena On July 7, 2017 Miscellaneous Event
These are about 7ft tall right now.
NikkiGerena On May 8, 2017 Plant emerged
NikkiGerena On May 1, 2017 Transplanted
NikkiGerena On April 29, 2017 Seeds germinated
NikkiGerena On April 22, 2017 Seeds sown
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Discussion Threads about this plant
Thread Title Last Reply Replies
Incredible.... by wcgypsy Aug 14, 2013 7:29 PM 1
August 2014 Backyard Birds by plantladylin Sep 2, 2014 10:47 AM 164
Sedum Chat Room by valleylynn Mar 31, 2012 9:50 PM 2,106

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