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Do you have what you need to make your garden grow?
Explore Your Local Garden Center at a Home Depot Near You.
Get inspired to upgrade your plants and landscaping.
Garden Center
Store Hours
Mon-Sat:
6:00am - 10:00pm
Sun:
7:00am - 8:00pm
Curbside:
09:00am - 6:00pm
Location
250 S Mountain Ave
Upland, CA 91786
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Frequently Asked Questions About Gardening
What number planting zone am I in?
Check the USDA zone map, as planting zones have shifted over the years. Zones with higher numbers can plant earlier in the year. Increase your odds of successful gardening by choosing plants that are meant for your zone.
When can I plant seeds outside?
If the soil is pliable and warm, consider planting your flower, veggie, or fruit seeds directly into your garden. This is called the "direct sow" method. The time to plant will be after the threat of frost is gone for the season, as sprouts and seedlings can't weather those conditions. You can also start your seeds indoors if you'd like. Consult your seed envelope for when and how to sow seeds.
Do you carry organic plants and seeds?
We offer many organic gardening options, including organic veggie seeds and fruit seeds, as well as organic flower and herb seeds that are subject to availability. We also carry the organic fertilizer to feed your plants and the organic soil to plant them in.
Do I have to harden off my seedlings before planting them outside?
Yes, if you raised plants indoors from seeds in your own plant nursery, harden them first before you transplant them. Hardening allows your seedlings to adjust to the great outdoors and sun, rain, and temperature swings, making them more resilient against cold snaps. It slows their growth until they're strong and ready to take off during a spring warm front.
How do I plant a transplant or baby plant?
Squeeze the plastic around the plant to loosen the soil. Carefully coax the plug of dirt with the plant into your palm, then place it into the hole you dug for it. Make sure the top of your transplant's soil is even with the garden soil, and carefully press the earth into place. Avoid mounding a volcano of dirt around your plant, and don't pack the ground too tightly. Your plant baby needs to breathe.
Should I use peat moss starters or coir starters?
Seed starters, full of nutrients in pots or pellets, work for new and experienced gardeners alike. You don't have to use these starters if you're planting in soil, but you may want to. Starting seeds in peat pots works best for delicately rooted plants like cucumbers and eggplant, as well as flowers that need acidic soil. Some people prefer coir starters instead, as they have a neutral pH. Check what type of soil your plants need to help narrow it down, and chat with a garden center associate if you need more info.
The Home Depot Garden Center at Upland
Celebrate Springtime Gardening
On beautiful spring days, tidy the yard before everything blooms in earnest. Planning your garden lets you make the most of your time and space. Don't forget to sweep out the gazebo and clean the shed in preparation for spring, too. No matter what outdoor projects you choose to tackle and which plants you need, you'll find that The Home Depot Upland Garden Center is your local plant nursery to help you enjoy your spring activities to the fullest.
Plant Hardiness Zones Explained
The first thing to learn when planting spring flowers, vegetables, and other seeds is your planting zone. Every location in the U.S. and its territories is sorted by climate. Find your zone on the USDA growing zone map and learn when to plant seeds.
For example, you could transplant bell peppers outdoors in mid-March in Zone 10, but not until the end of May in Zone 4. The plants that'll thrive in your area are in your zone — plus all the zones numbered less than that. In other words, a Zone 8 garden can support plants listed as Zones 1–8. You can plant seeds indoors roughly a month before you can plant them outside, known as direct sow. Read your seed packet for details. If you start plants later than recommended, it's not ideal, but it should even out as time passes.
Gardening in Your Growing Zone
The southernmost part of California is primarily in Zones 9 and 10, with small areas of 6–8 sprinkled in near Palm Springs and San Bernadino. A temperate Mediterranean climate on the coast means there's usually gorgeous gardening weather. Areas in the mountains and desert are more challenging to grow vegetables in, but indoor gardening is an excellent workaround.
For more temperate areas, find your planting zone and prepare to get planting. The weather and climate make it easy to get and keep a beautiful garden. A wide variety of veggies, flowers, and plants thrive in southern California. If you've got good soil drainage, you can even grow citrus trees. You’ll have excellent results with peppers of all heat levels and colors, including jalapeños, bell peppers, and more. Zucchini, cucumbers, squash, and pumpkins, which are direct sow only, will flourish. Planting tomatoes will yield thriving leaves and fruit, as they’re tropical in origin and love the heat.
In the desert, native plants like cacti, succulents, and other hardy desert shrubs will grow outside with ease. Other beloved garden vegetables love the heat. If you start them indoors and carefully introduce them outdoors in the shade, you can enjoy raising vegetables even in a dry climate. However, many flowers, both annuals and perennials, are sensitive to that much heat and sun, so research to find varieties that can handle the weather before planting outdoors.
Plant Seeds Outside With Direct Sow
Planting seeds with the direct sow method, right into the soil, is another option. It doesn't give you as much organized planning in terms of reliability and spacing compared to indoor starts. However, if you like to go with the flow, follow the instructions on your seed pack and try it out.
Prepare to deal with whatever hand nature deals you: Be ready for none of your seeds to sprout, all of them to come up, and anything in between. Your seedlings will need to survive wind, rain, and cold snaps, as well as critters and insects that crave tender greens. But if you're lucky, you'll get strong sprouts that are ready to grow all spring.
Start Seeds Indoors
If you're eager to get growing or would like more control in the care and feeding of seedlings, start your seeds indoors in your own seedling garden. In general, you can plant seeds indoors about a month before you can do it outside. Like direct sow, you push the seeds into the soil as directed on the seed packet, but that's where the similarities end.
You're responsible for giving them quality substitutes for sunlight and rain. Keep your seeds warm with heat mats and grow lights, water them carefully with a spray bottle or watering can, then thin them as they germinate in groups of three. Give them a boost with a gently blowing fan as they lengthen into sprouts if you'd like. Harden them off to get them used to outdoor conditions, then transplant them into your garden when they're big enough.
Transplant Young Plants Into Their New Homes
Carefully take your seedling out of the container. Turn it upside-down or sideways and gently squeeze the plastic to break the seal. If your transplant grew in the garden, dig deeper than you think with your garden trowel and leave plenty of room around the stem. You don't want to damage the root system. Put the plant in the new hole and make sure it's even with the surrounding soil.
Protect Your Garden With Mulch
Finish off your garden with mulch and compost. Compost enriches the soil so your garden can grow even better. It may help foster stronger plants that bear more fruit and flowers. Mulch controls weeds and keeps the soil moist. Compost and mulch can be purchased in-store or created at home. The next time you're looking for "mulch near me," stop by the Garden Center to get the perfect amount.
Greet the Spring
Don't miss a minute of growing season. Plan your garden and landscaping, prepare to fertilize your lawn, and browse The Home Depot nursery to find inspiration on which spring flowers to plant when the weather warms. For those without lawns, consider adding artificial grass or an outdoor rug to your outdoor space. Shop for the soil, seeds, and fertilizer you need in the aisles of your Upland Garden Center, online, or on our mobile app. Let's get growing together.
Nearby Stores
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1401 East 19th Street
Upland, CA 91784
3.67 mi
Mon-Sat: 6:00am - 10:00pm
Sun: 7:00am - 8:00pm
2980 S Euclid Avenue
Ontario, CA 91762
4.98 mi
Mon-Sat: 6:00am - 10:00pm
Sun: 7:00am - 8:00pm
2707 S Towne Ave
Pomona, CA 91766
6.34 mi
Mon-Sat: 6:00am - 9:00pm
Sun: 7:00am - 8:00pm
