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September Regional Gardening Calendars

Photos, from left to right: (1) Divide your daylily clumps with two large forks. (2) Deadhead some annuals like these 'Holi Scarlet' and 'Queen Lime Orange' zinnias. (3) Prepare your beds for cool-season veggies. Photos: courtesy of Lisa Imhoff; Andy Pulte; Laurel Startzel

Summer isn’t quite over yet, but in many regions the humidity is lifting and the occasional cool day blows through. This transitional time is important in the garden, but it also may mean that you are feeling a bit burnt out after a long, hot season. Check out what our regional reporters suggest you prioritize this month, while still saving time to enjoy the cooler temperatures and fall activities.

 

Some helpful resources for September gardening
Introduction to Dividing Perennials
10 Tips on Dividing Perennial Plants
Overwintering Tender Plants
Planting the Perfect Fall and Winter Veggie Garden
Building the Perfect Fall Container

 

How-To
Keep Moth Orchids Happy and They’ll Bloom Year After Year

For many people, picking up a potted moth ­orchid (Phalaenopsis spp. and cvs., Zones 10–12) is like buying cut flowers; they don’t care for the plant once it stops blooming.…
Design
4 Luck® Red Stripes White Variegated Clover Adds a Little Luck to Your Pots

While many gardeners might label white clover as a weed, this fast-filling, variegated selection is cute as a button in containers. With a mix of 3- and 4-palmate leaves, you’ll…
Design
Garden Tour of a Sustainable Native Plant Oasis Bursting with Fall Color

When Jeff Lorenz and Kayla Fell purchased this property in the Philadelphia suburbs, they knew they had their work cut out for them. A front and back yard of mostly…

Video

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Design

Touring an Eco-friendly, Shady Backyard Retreat

You must be careful when you enter the backyard of garden designer Jeff Epping—not because you’re likely to trip on something, but because you might be dive-bombed by a pair…
Design

4 Midsummer Favorites From a Plant Breeder's Garden
Design

Garden Tour of a Sustainable Native Plant Oasis Bursting with Fall Color
Podcast: Let's Argue About Plants

Episode 170: High-Impact Native Plants with Uli Lorimer  
Podcast: Let's Argue About Plants

Episode 169: Great Foundation Plants