General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Dry
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
Bees

Victory Seed Company sells seeds of 'Mammoth'.

Image
Common names
  • Sunflower

Photo Gallery
Location: Dietrich, Idaho
Date: 07/25/2023
Helianthus annuus bloom.
Location: Northeastern, Texas
Date: 2018-05-15
Location: Son's garden, Isanti, MN
Date: 2020-08-23
Location: Joshua Tx
Date: 2023-06-24
Location: RavenCroft Cottage
Date: 2011-08-30
Location: RavenCroft Cottage
Date: 2011-08-26
Location: RavenCroft Cottage
Date: 2011-08-30
Location: Son's garden, Isanti, MN
Stalk with tree frogs
Location: Mid-Missouri, USA
Date: 2020-07-20
This is center - the plant is about 5' tall when this was taken
Location: RavenCroft Cottage
Date: 2011-08-26
Location: RavenCroft Cottage
Date: 2013-08-05
Location: RavenCroft Cottage
Date: 2013-08-05
Location: RavenCroft Cottage
Date: 2013-08-05
Location: Central Texas
Date: 2016-07-26
Beautiful seed patterns of a Mammoth Sunflower seed head.

Date: 2016-07-02
Location: Powell Butte, OR
Date: 2019-08-25
Uploaded by pphanfx
Location: RavenCroft Cottage
Date: 2011-08-30
Location: RavenCroft Cottage
Date: 2011-08-26
Location: RavenCroft Cottage
Date: 2011-10-06
Location: RavenCroft Cottage
Date: 2011-10-06
Location: RavenCroft Cottage
Date: 2011-10-06
Location: RavenCroft Cottage
Date: 2013-08-05
Location: Central Texas
Date: 2016-06-01

Courtesy Sustainable Seed Company
  • Uploaded by vic

Date: 2015-08-02
Location: RavenCroft Cottage
Date: 2011-09-01
Location: RavenCroft Cottage
Date: 2011-10-03
Location: RavenCroft Cottage
Date: 2011-08-26
Location: RavenCroft Cottage
Date: 2012-01-10
Location: western Oregon
Date: 2016-01-02

Date: 2019-07-01
Gaurding the Cantaloupe

 Photo Courtesy of Baker Creek Heirloom Seeds. Used with permissi
  • Uploaded by Joy

Photo courtesy of Annie's Annuals and Perennials
This plant is tagged in:
Image Image

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
phish49 On June 22, 2019 Obtained plant
These are looking well
phish49 On May 20, 2019 Seeds sown
2 in small garden. Going to put more on the N side of garden bed.
Retro67 On September 10, 2023 Bloomed
These performed fabulously. Acted as a trellis for hardy kiwi. Frosted before seeds could be harvested.
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Incredible.... by wcgypsy Aug 14, 2013 7:29 PM 1

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