Knollwood Garden Center Events and Sales in Dayton

Free Fall Seminar Series

Aug 15, 2019 - Aug 29, 2019

Our Fall Seminar Series is ready to go! 

Click here to view/print the whole lineup, and call to register for any or all of them!  Seminars are free; workshop fees are as noted and have limited spaces.

Holiday Hours

Dec 22, 2018 - Jan 2, 2019

Monday-Satuday 9:00-6:00, Sunday 11:00-5:00

Christmas and New Year's Eve 9:00-3:00

Closed Christmas and New Year's Day

New Winter Hours: (as of Dec. 26)

Monday-Friday 9:00-6:00

Saturday 9:00-5:00

Closed Sunday

Christmas Open House

Nov 7, 2026 - Nov 8, 2026

You Are Invited To A Holiday Preview! 

Knollwood has transformed into your favorite Christmas Shop with decorated trees for inspiration, wreaths, porch pots, gifts, ornaments, decor, and the the first Poinsettias of the season! 

Enjoy 20% Off All Christmas Merchandise!

Two days only, not valid for custom orders,  Carry out only. No adjustments to prior sales.

Fall Sale!

Oct 20, 2026 - Nov 1, 2026

75% Off Perennials

50% Off All Nursery Trees & Shrubs

50% Off Halloween Decor

Fall Planting Sale!

Oct 1, 2026 - Oct 19, 2026

30% Off Perennials & Shrubs

40% Off All Nursery Trees

Fall Planting Sale!

Sep 10, 2026 - Sep 30, 2026

20% Off Perennials & Shrubs

30% Off All Nursery Trees

Welcome Fall Sale

Aug 28, 2026 - Aug 30, 2026

3 Days Only

Friday-Sunday, 8/28-8/30

20% Off All Ornamental Grasses

8" Mums just $9.99 ($12.99)

Hardy Hibiscus Sale!

Jul 30, 2026 - Aug 2, 2026

Show-stopping Hibiscus

All 20% Off

Four Days Only, Through Sunday

Summer Annual Sale!

Jul 17, 2026 - Jul 29, 2026

Summer Annual Sale starts now!

8" Annuals now $12.99,

or 4 for $40 (reg. $14.99)

4.5" Annuals now $5.99

(reg. $9.99)

Four Day Perennial Sale!

Jul 9, 2026 - Jul 12, 2026

All Perennials 20% Off through Sandy, July 12!

New stock of summer bloomers: Hardy Hibiscus, ready to bloom, Coneflowers in a rainbow of colors and more.

Come and get it!

Welcome Summer Sales

Jun 18, 2026 - Jun 28, 2026

Ready for a refresh?  Perfect for Father's Day and mixed containers

Flowering Hanging Baskets

Now $29.99, reg. $36.99

 

4.5" Specialty Annuals 

Now $7.99, reg. $9.99

Annual Flat Sale!

May 21, 2026 - Jun 4, 2026

Flowering Annual Flats

$7.00 Off  now $21.99

Classic Geranium Sale!

Apr 30, 2026 - May 3, 2026

Thursday thru Sunday 4/30-5/3 (Four days only),

all 4 ½” pots of geraniums are just $7.99…Reg. $9.99!  Loved by gardeners for generations for their bold and bright blooms, perfect in the landscape, in pots, or in baskets.

Supplies are limited, while supplies last.  In stock geraniums only, no rain checks.

The Original Impatiens and Begonia Sale

Apr 23, 2026 - Apr 26, 2026

Four days only*, Flats of Standard Impatiens and Wax Begonias for just $18.99, a savings of $10.00!

Regularly $28.99 for 36 plants, this is a fantastic deal to fill your shady and sunny spots with summer-long waves of color!  

*Or as long as they last. First come, first served.  Supplies will be limited, no rainchecks.