Beaver County Library System
Beaver County

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The Great Sunflower Challenge 2023


Next Challenge begins May 1, 2023


  • Tallest - Stem should be measured from the soil line to the base of the head.
  • Most Blooms- include fully mature flowers and unopened flower buds.
  • Largest Head- should be measured at the diameter of the seed head, containing the sunflower seeds. Do not measure the petals.

2022 Winners

Winners Size
Tallest 1) John Ackney 11'6"
2) JanlewZ 10'8"
3) Andrew and Lauren Pier 10'8"
Blooms 1) Andrew and Lauren Pier 106
2) Sandra Jo Kucel 80
3) Gretchen Harrich 60
Head 1) Marjorie Degelis 1' 75 (21 inches)
2) Aaron & Martha Kotys 1'12 (14 inches)
3) Cheryl Hansen 1.12 (12 inches)


Sunflowers must be home-grown. Any variety of sunflower (Helianthus species) will be accepted. For the tallest/ largest challenges, we encourage "giant" varieties of sunflowers.

How to submit entries: 1) Take a photo of your sunflower and submit with this form at a local library or 2) Email your submission photos/ entry details to

Last day to submit entries is September 9th

Winners will be announced on September 14th

Participants must consent to having their sunflower photograph shared for library publicity.

Beaver County residents only.

The Great Sunflower Project

If you would like to participate with The Great Sunflower Project- Citizen Science Pollinator Count, click the link

Want to grow the biggest sunflower Beaver County has ever seen? Click the links below for some tips of the trade:

How to plant and grow Sunflowers plus how to roast seeds for eating

Looking for local sunflower fields to visit?

Sunflower Field

Pennsylvania - Ohio -

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