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Join Harvest 2020

Growing your own food is a step towards self-reliance. And growing food for your community is literally life-giving. Join Harvest 2020 to be a part of the movement. 

Philadelphia community garden harvest
Photo courtesy of Philadelphia Horticultural Society 

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Pro Tips

Growing salad mix Amanda Staples, Germantown Kitchen Garden
Rather than putting out one seed or one plant every six inches, make a trough in the soil and line it with seeds so the lettuce comes up close together. To harvest, use a serrated knife (a bread knife works well) to cut the lettuce about an inch from the base of the plant to ensure it grows back. As the weather warms near the end of June, switch to a heat-tolerant mix like mustard and mizuna.

Harvesting hardy greens Meg DeBrito, Greensgrow
Always harvest the outer, larger leaves of the plant, and harvest often; taking the bigger leaves off will trigger the plant’s smaller leaves to grow faster.

Make a place for pollinators Nat Agoos, Urban Tree Connection
A lot of our fruit producing plants are pollinated by flies, bees, wasps—and they need both flowers and native plants to feed off of and create habitat. You can shop for native plants that will boost your pollinator population at Good Host Plants in Mount Airy. And build a pollinator wall, or “bug motel,” to provide habitat. You use rocks, bricks, twigs, hay, hollow bamboo and other materials to build habitat for these essential bugs.

Grass to garden
Build a lasagna garden on top of the smothering materials in the fall and you’ll have beautiful soil to plant in come warmer weather.

For more, check out the Cooperative Garden Commission’s Gardening 101 post.

DIY Hacks

for the scrappy gardener

Aleicia Phulwani, senior at Delaware Valley University studying sustainable agriculture systems, grows food outside her small South Philly home with a serious dedication to DIY. Check out her scrappy low-budget tricks:

  • Start seeds in egg cartons with a tray under them. Water by pouring water into the tray and letting—it’ll soak up through the carton and into your soil.
  • Plant seeds in soil-filled plastic clamshell containers (the kind that berries and hydroponic lettuce heads come in) to keep moisture in and cut down on watering.
  • Be creative with your containers—you can use things you might otherwise pitch, like takeout containers or old Tupperware. Or drill holes in a five-gallon bucket or line a milk crate with cardboard and you’ve got a home for a plant.
  • Plant things that are already growing in your kitchen. You can regrow a lettuce head by keeping in it an inch or two of water for a couple days until it starts to green up and then plant in soil. If your scallions still have their roots, bury them in soil up to about the top of the white part—they’ll keep growing and dividing! Trim the green tops to eat leave the bases in the soil to continue to multiply.
  • Make yourself a delicious clam dinner and use the shells as calcium-rich, weed suppressing mulch.
Philly gardener uses clam shells as calcium-rich weed suppressing mulch
Photo by Aleicia Phulwani

 

How to Grow Food in Philly

Philly’s garden pros share practical advice on how to grow food at home in the city—whether you have a small yard or a sunny windowsill

How to Grow Food in Philly

Philly’s garden pros share practical advice on how to grow food at home in the city—whether you have a small yard or a sunny windowsill

We can feed ourselves.

That’s what the Pennsylvania Horticultural Society plans to prove with Harvest 2020—an initiative to mobilize 100,000 Philadelphians around growing food.

Launched last month, PHS aims to inspire the collective action of growers (grow food to feed yourself and your family), sharers (grow food to donate), and donors (help provide folks with access to gardening supplies) to harvest five million pounds of fresh produce.

Do SomethingIt’s one way we can fight our city’s growing food insecurity. In a 2018-2019 School District survey, 13 percent of respondents said they struggled to get food in the last month; as Covid-19 destabilizes already precarious household budgets and food prices increase, many more of us across the city will struggle to buy groceries in the coming months.

Growing your own food is a step towards self-reliance. And growing food for your community is literally life-giving. Plus, taking care of plants relieves stress; it’s a real live activity in a quarantined world of excess screen time; and you’ll get to enjoy exceptionally tasty, fresh produce.

Whether you can convert your lawn to a garden and grow enough to share, deck out your rooftop with pots and containers, or plant a few herbs to keep on your windowsill, you can help Philly bring in that five million pound harvest.

But before we all start fantasizing about eating melons and tomatoes in August, a quick reality check: Growing food in the city is not easy. You’re battling the unpredictable elements all farmers deal with—pest pressure, weeds, deluges and droughts—plus limited space and limited time to tend to your crops.

“Try not to be too hard on yourself,” says Urban Tree Connection (UTC) lead farmer Nat Agoos. “There’s a never-ending amount of obstacles that can get in the way, but that’s part of the fun.”

We’re lucky here in Philly, because—like UTC, who’s making all the food from their West Philly farm available to neighbors for free this season—we are home to organizations run by folks who have long understood the importance of feeding ourselves and our community and have been doing it.

And they shared their hard-won knowledge to help you get a head start.

Keep reading for their spot-on tips on how to grow food in Philly, or skip ahead to one of these sections:

Your guide to growing food in Philadelphia

Assess your space

Be realistic up front about the space and conditions you’re working with. If you have outdoor space, is it largely exposed to sun and wind? Or is it shady? Is there water access nearby?

If you’re working with indoor space, do you have bright, south-facing windows your plants can sit in front of? How many windowsills do you have to cram full of pots?

“So much of growing anything is about regular observation,” says Meg DeBrito, director of nonprofit urban farm and garden center Greensgrow. “The act of figuring out how much sun you have, how you can get water to the site or if you’ll be relying on rain water, will help you select the right plants.”

If you have a hot, sunny environment, you might grow peppers, tomatoes, eggplant, beans, figs, basil and rosemary. (Philly’s heat island effect enables us to grow super hot weather crops like citrus.) For cooler, shady environments, you’ll have better luck with tender lettuces, spinach, and herbs like chives, mint, and parsley.

Get set up

No matter where you’re growing, you’ll need soil. You can get organic materials for free from the Fairmount Park Organic Recycling Center when they reopen, or pick up at local shops like City Planter, Urban Jungle or Riverwards Produce. For larger-scale projects, order from Laurel Valley Soils in Chester County.

Here are some suggestions depending on the space you’re working with:

No outdoor access

You’re limited to the sunniest windowsills in your house. Get the most out of your space by growing high-flavor herbs like parsley, chives, oregano and thyme in pots with good drainage. If you have room for a shallow planter, lettuces and spinach work well in front of a window.

You can also grow nutrient-dense sprouts, like sunflower, radish, mung beans or classic alfalfa, on your countertop. You’ll just need a glass jar with a breathable covering (like cheese cloth or nylon secured with a rubber band).

Small balcony, flat rooftop, porch or concrete patch

A beautiful variety of herbs grow in a planter in an urban garden in Philadelphia.
Herbal variety | Photo by Katherine Rapin

You can fill up your space with pots, planters and containers.

“For outdoor planting we always recommend a container with good drainage—that way you plants won’t get waterlogged during a heavy rain,” says Susanne Collins,

team member at City Planter, the Northern Liberties shop that carries plants, gardening tools and an array of containers.

If you’re setting up a rooftop garden, be sure to use heavy pots that won’t blow over and have a plan for frequent watering, Collins says. You can set up an irrigation system or start a morning (and afternoon on the hottest summer days) watering ritual.

You can also make your own containers: a five-gallon bucket with holes drilled through the bottom, a cardboard-lined milk crate or wooden fruit crate, and even the drawers of an unused dresser can be filled with soil and populated with plants. The key to DIY planters is to ensure they have good drainage and can stand up to consistent watering.

You have a yard!

Raised beds can be expensive to build and will break down over time, so if you can, it’s best to convert a patch of grass to garden.

First, get a soil test to make sure you don’t have high levels of lead or if it’s unsuitable for other reasons (high clay or sand content)—it costs just $10 to get a test from Penn State Extension. “See if it’s healthy, and if it is, why not just grow in the ground? It’s there for you,” says Staples, who converted an abandoned half-acre plot in Germantown that supports a small CSA.

To kill the grass, you can solarize or smother your lawn—methods that take four to six months of mostly waiting. If you want to start planting right now, Staples recommends using a flat spade to cut your grass into squares so you can easily lift them out. Shake the dirt from the grass roots—you want to keep all that good topsoil in your garden—before composting or tossing to another patch of yard that could use extra green.

To loosen the soil, use a tiller (you can rent one) or get a pitchfork, shovel or broadfork and recruit friends to help. By-hand methods minimize soil disturbance, which keeps your soil healthy.

Pile on compost and mulch with straw, hay or shredded fall leaves to add extra organic matter.

Decide what to plant

Red currants grow bright red in a garden in Philadelphia. It's a great food to grow in the city.
Red currants | Photo by Katherine Rapin

You’ll want to plant things you’re excited about eating, and there are plenty of crops that are delicious and simple to grow. Remember that planting isn’t just a spring activity—you can put new crops in the soil all the way through September.

Amanda Staples, owner of farmstand and plant nursery Germantown Kitchen Garden, recommends starting with salad mix—lettuces and greens that mature relatively quickly and can be harvested several times. “You could sow them every two weeks, and you’ll have a supply of salad throughout the whole season,” Staples says.

Spinach, peas and cooking greens like Swiss chard are relatively fast-growing and are better for you when they’re fresh, says Nate Kleinman, founder of the Experimental Farm Network and co-founder of the Community Gardens Commission. “Greens lose so many nutrients every day that they’re sitting in storage—whether in your fridge or at the supermarket,” Kleinman says.

Hardy greens like kale and collards aren’t fussy—they can tolerate heat and cold, you can plant them as early as you want and they’ll even last into winter (as long as you protect them from pests). And even one plant produces a lot of food.

“If I plant six kale, I can usually eat every week of the summer off of just those plants,” says DeBrito. She harvests about twice a week, taking only the largest leaves.

Tomatoes are a garden staple and do well in containers. Cherry varieties like sungolds will give you more fruit for your buck, and green zebras will stand a better chance against squirrels since they’re deceivingly green when ripe.

If you have the space (about a six-foot radius around the plant), Delaware Valley University plant scientist and professor Sarah Dohle recommends growing butternut squash. “It’s just miraculous,” she says, “You can pick the immature squash—they’re like firm zucchini—and cook them on the grill; you can eat the blossoms, and if you let the fruit get completely mature, it stores for a year!”

Gooseberries and red currants are good fruits to start with—they have relatively shallow roots and can be grown in containers. Figs flourish all over the city—check out the Philadelphia Orchard Project’s growing tips. If you have space for a fruit tree, Staples recommends Asian pears; they’re among the least disease-prone fruits we can grow in the area.

Start planting

Photo: Brand new sprouts | Courtesy Aleicia Phulwani

Starting seeds indoors allow you to get a head start on the season and gives you access to a much wider variety of plants than what you can find at a nursery. You can get unique varieties from local seed savers like Happy Cat Farm, the Experimental Farm Network, and True Love Seeds.

If you—like most city gardeners—don’t have a greenhouse, a high tunnel, or indoor grow lights, you’ll want to find the sunniest window in the house, says True Love Seeds founder Owen Taylor. Start seeds in anything that has good drainage and will be easy to eventually transport outdoors; egg cartons or plastic takeout containers with holes cut through the bottom work well.

Use an organic seed starting medium like PRO-MIX. Water the soil and mix until it’s thoroughly wet but not soggy. “It should be like a wrung-out sponge,” Taylor says. Most seed packets will provide spacing and depth instructions, but Taylor has a helpful rule of thumb: plant the seeds about twice as deep as the seed is large.

Some seeds can take more than two weeks to germinate. (If you’re impatient, plant seeds in the cabbage family—like kale, mustard greens, and napa cabbage.) Once you have seedlings, they’ll need as much light as you can give them. Keep them in that sunny window and gradually introduce them to direct sunlight outside as they grow.

If you’re short on time, or would prefer not to bother with the seeding process, just purchase plant starts from folks who already did all that hard work of sprouting and maintaining the little seedlings. Greensgrow, Germantown Kitchen Garden and Well-Sweep Herb Farm are open and offer curbside pickup.

Some seeds are better off planted directly in the spot where they’ll live until harvest—called “direct seeding”—like carrots, beets, radishes and beans.

Prevent weeds

One plus about growing in window boxes, pots and planters: fewer weeds to deal with. In these small spaces, it’s manageable to pull weeds as they pop up.

Read MoreIf you’re growing in the ground, try to prevent weeds from taking hold in your garden in the first place—but not by spraying any chemicals that would damage your soil and contaminate the crops you plan on eating.

“My goal with weeding is to never bend over,” says Adrian Galbraith-Paul, farmer at Heritage Farm. He uses a standing collinear hoe to kill weeds when they’re still in the thread stage. “It’s almost like sweeping the soil,” Galbraith-Paul says. You can uproot weed by scraping just the top inch of the soil—take care not to disturb deeper, as you’ll bring more weed seeds to the surface to germinate.

Prevent weeds by mulching with shredded leaves or straw, placing a thick layer on the bed immediately after you’ve planted. Cardboard or paper bags with holes cut to allow your plants to grow through work well, too.

Keep wood chips in the pathways, Galbraith-Paul says; though they’re an effective weed suppressant, they can rob your soil of the nitrogen your plants need to thrive.

Get rid of pests and disease

Small mammals, insects, and even pathogens want to feed off of that good stuff you’re growing, too—so no matter where you’re growing, you’re going to implement some protection.

Pathogens

Custom HaloFor microscopic pests—diseases caused by bacteria and fungi—air flow between plants is critical for prevention, says plant scientist Sarah Dohle. “Pathogens are spread through moisture and touch,” Dohle says, “You want to harvest when the plants are dry to avoid spreading any diseases to other plants.”

Give your plants plenty of space and water soil directly at the base of the plant to avoid getting water on the leaves. And next year, rotate what gets planted where in your garden; different plants attract different families of pathogens, which can stay dormant in the soil over the winter and take hold again in the spring.

Insects

For super small bugs like flea beetles, which go after brassicas like cabbage, kale and broccoli, and nightshades like tomatoes and peppers, try fine mesh insect netting. “You want to put it on immediately after you plant your seeds, because as soon as they come up, those bugs will find them,” Staples says. To keep the netting above the soil, put metal half-hoops over your bed or build a structure using a half-inch PVC pipe bent over your bed anchored by two rebar posts.

Small mammals

A squirrel eats a nut on someone garden patio. These creatures are some of the biggest pests in Philadelphia gardens.
Photo courtesy Caleb Martin / Unsplash

The easiest way to keep rabbits, squirrels, moles and groundhogs away from your crops is to get a dog.

Not possible? Put up a fence. Dohle recommends using t-posts and chicken wire—just be sure to bury the chicken wire at least a foot into the soil to keep out animals that burrow.

Squirrels are the main culprit of urban planter damage. You can deter them by spraying a super hot pepper concoction on and around your plants—which may or may not work depending on how desperate the squirrels who share your habitat are. (If you try this, remember to rinse your harvest well as mouth-burning capsicum oils can linger.)

You can also create a fortress around young plants by cutting out the bottom of the plastic pot that held your plant and burying it part way in the soil around the plant, protecting the tender stem.

Save seeds for next year

Why save seeds? Because from one seed, you just grew hundreds! And with a little patience and care, you can have a head start for next season and save on your gardening costs. Plus, plants adapt to their growing environments, so if you select the healthiest plants to save seeds from year after year, they will continue to get better at growing in your yard.

True Love Seed’s Taylor recommends starting with tomatoes and peppers because the seeds are ripe at the same time that the fruit we eat is ripe (except green and purple peppers). When you’re cutting up your pepper, you can set aside the seeds, lay them out on a paper bag or newspaper and let dry away from direct sunlight for two weeks

Tomato seeds need to ferment to break down their seed coat, after which you can spread the seeds out to dry.

For many other crops, you just have to wait. “A lot of plants get these hard, dry seed pods—like beans, peas, okra, and anything in the cabbage family,” says Taylor. When the seed pods are totally dry, they’re ripe for you to pick (you’ll know when the birds start pecking at them).

Store your seeds in glass jars with tight fitting lids in a cool, dry place. You can check out the seed keeping notes for each variety offered by True Love Seeds to learn more.

Eat what you sow

Philadelphia community garden harvest
Photo courtesy Philadelphia Horticultural Society

Growing your own food also gives you access to ingredients you can’t buy in a store, or even at the farmers market. You’ll get to taste different parts of your plants at different stages—like the sweet-spicy flowers of arugula, tender radish pods, green tomatoes, and fresh coriander.

And just-picked food that you grew yourself will taste good—and its prime flavor and freshness can be enjoyed simply.

Greensgrow and Soulfire Farm have great recipes and tips. To delve deeper, check out these books:

How to Pick a Peach by Russ Parsons

Afro-Vegan by Bryant Terry

Greens Glorious Greens, by Johnna Albi, Catherine Walthers

Header photo courtesy Rob Cardillo / Pennsylvania Horticultural Society

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