Mongolian Giant



Create a stunning and impressive natural border in your yard or garden with this enormous sunflower variety.  One of the tallest varieties known to exist, these plants will grow 12-14′ tall and display spectacular 16-18″ bright yellow flowers.  The super long seeds (up to 1.5″) are great for eating.  Grow your own patch of giants this year!  90 days.

Additional information

Weight N/A
Seed Type

Certified Organic, Conventional

Latin Name:

Helianthus annuus


7-14 days


90 days

Flower Color


Bloom Time

Late Summer-Fall

Life Cycle


Plant Size

12-14 feet tall

Support Needed

Optional – stake or trellis in areas with strong winds


Full Sun

Planting Method:

Direct sow seeds after danger of frost has passed. Or start indoors 2 weeks before last frost date.

Planting Depth:



Sow seeds 6" apart, thinning to 12-24" apart. Or transplant 12-24" apart. Rows 3-4' apart.

Seed Count

+/- 243 per ounce; 3,900 per pound

Satisfaction Guarantee

A.P. Whaley Seed Company is committed to your satisfaction. We pride ourselves in offering only the highest quality seeds: those free of GMOs, noxious weeds and other invasive species, and produced by growers that are supportive of sustainable agricultural practices.  Limitation of Liability:  The sole remedy for loss or damages shall be limited to the purchase price of the seed.  Shipping charges are not refundable. Under no circumstances will A. P. Whaley LLC be liable for consequential damages.  All claims must be submitted to A. P. Whaley LLC in writing no more than 30 days from the date of purchase.

Wholesale Customers

For wholesale pricing and availability, please contact our office at (608) 437-9081.

Organic Certification

All seed labeled as Certified Organic is certified for A.P. Whaley LLC by MOSA.



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