Hello Friends, Neighbors, Fellow Gardeners,

Now that summer is ending it’s time to enjoy the cooler weather that fall offers! As we approach the beginning of fall, enjoy the fall crops and flowers and preserve some for the winter months. Don’t forget to support our local farmers by visiting our local farmer’s markets and local farms! Here are some garden tips, educational opportunities, and videos for September. This includes some events from U.S. Botanic Garden, Master Gardeners of Montgomery County, and Maryland Gardens. A lot of gardening events are announced on Facebook as well as on our website. Some upcoming events include Agricultural Historic Farm Park’s Harvest Festival, Ask a Master Gardener at Gaithersburg Library, Brookside Garden’s Behind the Scenes Greenhouse Tour, Mill Creek Towne Garden Club’s October Community Event: Private Gardens of the Potomac and Chesapeake, Foodie Fridays: Saving Seeds & Stories, Montgomery College’s Fall 2023 Garden Classes, American Horticultural Society’s Great American Gardeners Webinar Series, and more! These events will be hosted as online or live events. 

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MCT Garden Club Hillwood Estates Tour September 2023

We all had one delightful day at Marjorie Merriweather Post’s Hillwood Estates! The gardens were lovely and we were so glad that the garden tour was in the morning as it did get a bit warm. We then enjoyed a delicious “tea” with all those yummy tea sandwiches and petit fours. It was such an informative tour of her mansion following lunch.

See below for photos from our tour.

https://www.mctgardenclub.org/2023/09/12/hillwood-estates-tour-2023/

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Master Gardener Plant Clinics

Montgomery County Master Gardeners - Maryland

What can Master Gardeners do for you?

• Help you select and care for annual and perennial plants, shrubs and trees.
• Determine if you need to test your soil.
• Provide you with information on lawn care.
• Identify weeds, beneficial and noxious insects, and plant diseases and remedies.
• Teach you how to use pesticides, mulch and compost.
• Guide you in pruning trees and shrubs.
• Provide you with options for managing wildlife.
• Provide you with gardening resources.
• Help you submit a plant sample for diagnosis

Plant Clinics are held at several sites in the county on a weekly basis and at special events such as garden festivals and the county fair. Regularly scheduled Plant Clinics are located at public libraries and farmers’ markets throughout the county as well as at the Audubon Naturalist Society in Chevy Chase.  There are also clinics three days per week at Brookside Gardens.  The busiest season is April through September, but some clinics are open year-round.  Bring your plant samples and questions to one of these locations in Montgomery County, MD (see link below to find a location near you):

https://extension.umd.edu/mg/locations/plant-clinics

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New Gardening Books

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Online Gardening Resources

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Online Garden-to-Table Recipes

There are many resources for recipes to make from your garden crops including seed companies, local farms, and online recipe cookbook catalogs. If you grow vegetables, these are very useful resources as the recipes feature the very plant you are growing. Here are few links to recipes you can make from your garden crops

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Local Farms

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• Support Our Local Farmers – Join a CSA and have fresh local produce delivered to you!
• Visit a local farmers’ market.

How to Support Farmers and Safely Shop at Farmers’ Markets

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Flowers and Groundcovers

• Remove spent annuals, replacing with fall annuals. Water deeply.
• Cut fully yellow lily stalks.
• Divide and transplant perennials (peony and iris).
• Dig up bulbs from your Gladiolus, Canna, Caladiums, and other tender bulbs; cut off foliage; let dry for a week; and store for the winter.
• Start seeds of pansies, calendula, flowering cabbage, kale, and other fall annuals.
• Start collecting plant seeds for next year and for trading.
• As the days get cooler, plant native Asters.
  

  

• Renew your container plantings, which may be looking a bit ragged at this point. Pinch back overgrown plants. Pull out any spent ones and pop in some substitute annuals or mums. Keep them well-watered and add a little liquid fertilizer every few weeks to keep them going through early autumn.
• Fertilize established bulb beds.
• Deadhead spent flowers to encourage reblooming.
• Cut a few flowers to enjoy in your workplace or home.
• Water transplants deeply when dry.
• Pinch out tips of leggy plants.
• Stake tall plants.
• Spray roses with Neem oil every two weeks.
• Feed your roses and new plantings with slow-release fertilizer sparingly.
• Check for black spots on your roses – remove and discard any affected leaves in the trash, never back into your garden or in your compost – apply fungicide with Neem oil every two weeks during the growing season.
• Tie up clematis and other fast-growing climbing vines.
• Pests to watch for: Aphids, 4-lined plant bug, spidermites, whiteflies, Deer, slugs, snails.
• Diseases to watch for:  Powdery mildew, Damping off of seedlings, Botrytis on peonies, Volutella blight on pachysandra.
• See UMD’s HGIC Garden Tips for more details.
• For a list of native plant resources, visit: https://extension.umd.edu/hgic/topics/native-plant-resources

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Trees and Shrubs

• Prune evergreens to get in shape for fall/winter.
• Don’t transplant azaleas this month. Avoid late summer pruning.
• Divide ornamental grasses.
• Water slowly and deeply if summer is very dry.
• Prune foundation shrubs and trees to be no closer than 1 foot from the house.
• Contact a certified arborist to have your trees’ health inspected.
• Remove spent lilac and rhododendron blossoms.
• Fertilize if necessary for the last time this season.
• Take soft cuttings of plants to propagate.
• Check often and water newly planted trees if they don’t pass the finger test (stick your finger deep into soil – dry? Water!)
• Look out for any Poison Ivy vines, which will turn crimson in the late fall and be easy to distinguish from other vines.
• Remove Ivy, Pachysandra, and other vine-like groundcover from under shrubs.
• Mulch or compost healthy leaves.
• Soil test established trees that have not been performing well.
• Put diseased leaves, pesticide-laden grass clippings and weed seeds out for recycling rather than the compost pile.
• Spray with dormant oil to decrease pest infestations.
• Remove dead and dying trees.
• Pests to watch for:  azalea lacebug, bagworms, borers, caterpillars, gypsy moths, Japanese bettles, scale, sawfly, spidermites, leafminers,  voles, and deer.
• Diseases to watch for:  Powdery mildew.
• For more tips, see UMD’s HGIC Garden Tips for more details.

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Herbs, Veggies, and Fruit

• Keep an eye out for the first frost date. In Zone 6, it is expected between September 30 and October 30. In Zone 7, it is predicted to be between October 15 and November 15.
• Pick mature tomatoes and peppers to ripen on your window sills.
• Remove finished plants.
• Plant strawberries in a site with good drainage for harvest next spring.
• Plant/seed cool season plants (turnips, carrots, beets, spinach, Chinese cabbage, kale, Brussels sprouts).
• Harvest leaves of herbs used in cooking (rosemary, basil, sage) in early morning, for best flavor. Dry them indoors if you can’t use them right away.
• Cut herbs and flowers for drying indoors.
• Preserve gourds for display in the fall.
• New fruit plants: keep watered their first spring, summer, and fall.
• Pick apples and pumpkins at a local pick-your-own farm or visit a local farmer’s market.
• Deadhead garlic chives before they go to seed. Makes a nice cut flower.
• Dig up garlic when tops turn brown. Let dry in sun, then store.
• Sow seeds of: beets, beans, cucumbers, pumpkins, and squash for fall harvest.
• Sow heat-tolerant greens like Swiss Chard and mustard greens in part-shade.
• Keep all transplants watered deeply for 2-3 weeks.
• Put in supports for tall-blooming plants.
• Divide perennials and herbs. Pot up extras and give away at plant swaps.
• Thin seedlings.
• Harvest your herbs often and keep them trimmed back to encourage leafy growth.
• Apply dormant oil spray to fruit trees.
• Pests to watch for: Asparagus beetle, aphids, birds, cabbage worms, corn earworm, cutworms, deer, rabbits, squash vine borer, and tomato hornworm.
• Diseases to watch for: Apple scab, Cedar-apple rust.
• Here are some more UMD’s HGIC Garden Tips.

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Lawns

• Cool-season lawns go dormant in the hot, dry summer. Do not water!
• Mow in the early evening.
• Over seeding may be done now through October.
• Keep newly seeded lawns well watered.
• Apply grub control to your lawn.
• Calibrate your spreader before fertilizing.
• To control crabgrass, apply pre-emergent herbicide to lawn (when forsythia blooms drop).
• Control wild onions in warm season turf with broadleaf weed control.
• Clean yard of all leaves and other debris.
• Turn your compost pile.
• This is a good time to have your vegetable garden and landscape soil tested. Have soil tested (every 3 years minimum).
• The soil resources from the Natural Resources Conservation Service are available here:
  • https://www.nrcs.usda.gov/conservation-basics/natural-resource-concerns/soil
• Diseases to watch for: brown patch, and red thread
• Pests to watch for: Grubs
• See UMD’s HGIC Garden Tips for more details.

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Indoors/Houseplants

• Bring in tender plants before night temperatures dip to 60 degrees.
• Take cuttings of plants you want to overwinter inside and place in water.
• Prune potted bougainvillea or hanging baskets that will overwinter inside.
• Bring Christmas cactus and poinsettias indoors if you took them out for the summer in preparation for holiday blooming. Fertilize them and put them where they will get just 10 hours of bright light per day.
• Repot and fertilize houseplants when new growth begins.
• Change water in cuttings started last fall and add 2-3 pieces of fish tank charcoal. 
• Do not over water house plants.
• Check on your container plants daily and keep them well-watered.
• Rotate houseplants to promote even growth.
• Remove old leaves, damaged stems.
• Pinch out growing tips of leggy cuttings and plants that are overwintering.
• Clean the leaves of your indoor houseplants to prevent dust and film build-up.
• Pests to watch for:  aphids, spider mites, mealybug, scale, and whitefly.
• See UMD’s HGIC Garden Tips for more information.
  

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Indoor/Outdoor Insect and Wildlife Tips

• Watch for insect and disease problems throughout your garden.
• Ticks are very active now. 
• Check your plants at night with a flashlight for any night-feeding insects like slugs.
• Look out for slug eggs grouped under sticks and stones. They are the size of BBs and pale in color.
• This is the perfect time to apply grub control.
• Put out slug traps around your vulnerable edibles and hostas.
• Leave hummingbird feeders out until October 15th.
• Make hummingbird food by boiling two cups sugar in four cups of water.
• Put suet out for birds.
• Keep bird feeders clean and filled.
• Change the water in your birdbath daily and throw the Mosquito Dunk (or bits) into any standing water.
• Switch your deer deterrent spray.
• Set out traps for mice, moles, and voles.
• Watch for: carpenter ants, flies, mosquitos, stink bugs, termites, rabbits, raccoons, groundhogs, deer, mice, moles, snakes, squirrels, and voles.
• For more information, see UMD’s HGIC Garden Tips.

Source: University of Maryland’s Home and Garden Information Center (HGIC) and the Washington Gardener.

See more tips from HGIC:

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Support Our Local Farmers – Join a CSA and have fresh local produce delivered to you!

CSAs are seeing record numbers of subscribers http://ow.ly/eiQT50zD5lW – find your farmer here: http://ow.ly/jbO250zD56M

CSAs can take many forms, but essentially they are community supported farms in which members contribute to farming projects, usually by way of membership fees, in exchange for fresh, local produce. The concept came to the United States from Europe in the 1980s.  They are a great way to take advantage of fresh, locally grown fruit, vegetables, herbs, and more while supporting nearby farms. Each one is different, some offer pickup locations in urban areas, some offer only farm-based pickups.

There are multiple CSAs located around the County offering a wide variety of products. CSAs begin taking sign-ups for spring and summer seasons in the early part of the year, and they tend to fill up FAST! Know of another CSA not on our list? Let us know! Montgomery Countryside Alliance also maintains a list:

 http://www.mocoalliance.org/community-supported-agriculture.html

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Struggling with your garden? Do you have plant questions?

The Master Gardeners from Montgomery County Cooperative Extension will offer their highly popular plant clinics. Bring your ailing plants or any other gardening questions for expert advice.

Master Gardeners can help you to:

• Select the right plants and trees for your site.
• Decide when and how to test your soil.
• Feed your turf without feeding the Chesapeake Bay.
• Identify weeds, insects and disease.
• Avoid blanket use of herbicides and pesticides.
• Identify and avoid killing beneficial insects.
• Learn how and when to prune your trees and shrubs.
• Chose the right mulch for your garden.
• Read seed catalogues.
• Develop strategies to deal with deer.

Questions about this program? Contact the branch 240-773-9490

See below for upcoming in-person events schedule and details:

https://mcpl.libnet.info/events?r=thismonth

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Behind the Scenes Greenhouse Tour

Wednesday, September 20, 2023

10:00 to 11:15 am

Brookside Gardens

1800 Glenallan Avenue

Wheaton, MD 20902

Fee: $12.00

Opened in 2018, the O’Rourke Greenhouse consists of four growing areas totaling 10,000 square feet under glass. Participants will take a closer look at the state-of-the-art technology that enables the greenhouse staff to grow a variety of beautiful plants year-round while getting a sneak peek at the thousands of plants being grown for the garden displays.

Registration required.

Also offered on Friday, September 22 in the afternoon.

https://montgomeryparks.org/parks-and-trails/brookside-gardens/

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2023 Harvest Festival

Saturday, October 7, 2023

11:00am to 4:00pm 

Agricultural History Farm Park

18400 Muncaster Road

Derwood, MD 20855

Enjoy a beautiful, fun-filled fall day on the farm with traditional crafts, activities, music, and food during the 29th annual Harvest Festival at the Agricultural History Farm Park on October 7 from 11a to 4p. Participate in hands-on farm activities such as candle dipping, tin-smithing, quilting and spinning; paint pumpkins and build scarecrows; play historic games; enjoy live music and storytelling; experience farm equipment exhibitions and demonstrations; meet heritage farm animals; and partake of food, visit craft demonstrators, and take a hay ride around the farmstead.

Admission is $20/Car (cash only)

Refreshments, food, and some activities will have additional fees ($)

Activities and Demonstrations Include:

On the Main Stage:

• Live Music by Linda Harris & David B. Cole, the Hickory Grove Band, and the String Bean Band
• Storytelling by Dr. Karen Wilson Ama’Echefu, and Story Tapestries featuring Baba Bomani

Barn, Farmyard, Outbuildings, and Adjacent Field Areas:

• Food Concessions ($)
• Craft Sale ($)
• Scarecrow Making ($)
• Pumpkin Painting ($)
• Hay Wagon Rides
• Antique Farm Equipment Exposition
• “What’s It Room” Historic Tools Exhibit
• Montgomery Parks Archaeology Dig
• Historic Games for Children
• Tin-smithing & Marble Making Crafts
• Laundry/Water Fetching Activities
• Candle Dipping
• Button Farm Living History Center Exhibit
• Montgomery Parks Program Access Activities
• Montgomery Parks Nature on Wheels
• Angel Locks Fiberworks
• Dr. Kyna Clemons, Gyame Quilt Studio
• Moonlight Bobbin Lace Making
• Trial & Error Acres Sheepdog Herding
• Blacksmith, Woodworking & Sawmill Demonstrations

https://montgomeryparks.org/events/harvest-festival-2023/#1

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Garden Classes | MC Lifelong Learning Fall 2023

HOW TO GROW AND BLOOM – LLI 022

Orchids are more popular than ever, and are readily available at mass markets, florists, and garden centers. Explore how to be successful with orchid selection in the home environment. Learn how to purchase, care, handle, repot, and rebloom your orchid. The instructor will use live plants to demonstrate best practices. You are encouraged to bring your own orchid plants for questions. View Catalog Description & Prerequisites

Course	CRN	Credits	Days	Time	Start – End Dates	Campus	Location	Instructors
LLI022	24269	0.300	T	6:30 pm – 9:30 pm	10/24/23 – 10/24/23	WD&CE Virtual-Remote	DL	Janet S. Johnson

GARDEN DESIGN – LLI 519

Do you ever wish you could have a beautiful home garden? In this course, garden enthusiasts and homeowners will examine the basics of garden design. You will discuss current garden trends; and how to integrate the architecture of your home/buildings into the landscape for a cohesive overall design. You will focus on using plants and materials that are suitable for the Mid-Atlantic region to create a garden design suitable for your own home. View Catalog Description & Prerequisites

Course	CRN	Credits	Days	Time	Start – End Dates	Campus	Location	Instructors
LLI519	24268	0.800	T	6:30 pm – 8:30 pm	11/07/23 – 11/28/23	Rockville	MK 101	Janet S. Johnson

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