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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
1551 Froom Ranch Way
San Luis Obispo, CA 93405
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Grass Seed Calculator
When you're ready to seed your lawn, our calculator helps you estimate the amount of grass seed you'll need to get the job done.
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Fencing Calculator
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Frequently Asked Questions About Gardening
What's my planting zone?
Check the USDA zone map, as planting zones have shifted slightly through the years. Zones with higher numbers can plant earlier in the year. Choose plants that are meant for your zone and increase your odds of successful gardening.
What does direct sowing mean?
If the soil is warm and pliable, 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 seedlings and sprouts can't weather those conditions. You can also start your seeds indoors if you'd like. Consult your seed packet for how and when to sow seeds.
Do you carry organic seeds and plants?
Yes, we've got a variety of organic options, including organic fruit seeds and veggie seeds, as well as organic flower and herb seeds that are subject to availability. We carry the organic soil to plant them in as well as the organic fertilizer to feed your plants.
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 rain, sun, 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.
What do I do before planting transplants or seeds outside?
Before you plant, make sure that the soil is healthy, it's warm enough outside, and your plant will have the right amount of sun. Check your seed package to see if it likes partial sun, shade, or full sun, as well as what time of year it should be planted. Space your plants as described on the seed package for best results so your plant babies have room to grow big and strong.
Should I use peat moss starters or coir starters?
Seed starters, full of nutrients in convenient 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 carrots and beets, as well as flowers that require an acidic pH. 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 San Luis Obispo
Celebrate Springtime Gardening
On beautiful spring days, tidy the yard before everything blooms in earnest. Plan your garden to make the most of your time and space. Don't forget to sweep the gazebo and clean out the shed in preparation for spring, too. No matter which plants you need and what outdoor projects you choose to tackle, you'll find that The Home Depot Garden Center in San Luis Obispo 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 planting zone map and learn when to plant seeds.
For example, you could plant bell pepper seedlings 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 6 garden can support plants listed as Zones 1–6. The timeframe to direct sow outdoors in your garden is often around a month later than the indoor start date. Always read your seed packet for details. If you start plants later than recommended, it's not ideal, but it will even out as time passes.
Gardening in Your Growing Zone
This area is in growing Zones 8 or 9, but it's desert, so utilize greenhouses to grow herbs and vegetables. Native plants like succulents, cacti, and other hardy desert shrubs will grow outside with ease. Other beloved garden vegetables love the heat, like tomatoes, squash, cucumbers, and peppers. 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 spring flowers are sensitive to that much heat and sun, so research to find varieties that can handle the weather before planting outdoors.
An indoor garden of greenery is also lovely. Look into house plants and create an oasis inside your home. A covered porch or sunroom is a great place to encourage plant growth, especially with pots and plant stands of all sizes. Your spring flower seed choices, whether they're annuals or perennials, can also often get an indoor start.
Start Seeds Indoors
Save money when you grow your garden from seeds by starting them indoors in your own seedling garden. We've got all the seed starter supplies you'll need. Make sure you have a warm and sunny spot that gets at least 12 hours of light. Then you have everything you need to try your hand at growing seeds. Early spring light isn't usually strong enough, so we recommend extra lighting to keep those seeds warm enough to germinate.
Measure your finger to use it as a ruler. In general, you'll plant 3–5 seeds, then press them into the soil to the depth you need with your finger. Mark where you planted the seeds with a plant tag or toothpick. That way, you'll know where your seeds should pop up. Otherwise, it'll be a surprise when the sprouts push out of the soil.
Sprouts
Prepare your seed sprouts for outdoor life while they're still indoors. These inch-tall micro-seedlings are fragile but resilient. Seedlings certainly don't get all this pampering in nature, so they can handle more than you think. However, don't go overboard, as your sprouts are still babies. You can even use an oscillating floor fan on low to mimic the wind and strengthen their stems.
Harden Your Seedlings
Remember to harden your seedlings for strong plants. On days above 45 degrees, take your pots or trays of seedlings outside to slowly warm in the shade for a couple of hours, but bring them inside at night. A cloudy day will also work well. Gradually add an extra hour or two each day, gently introducing your plants to the sun. After a week or more of this, you can leave them out overnight if the temps stay at 50 degrees or above at night. Cover your plants if they're in the ground when a late-season frost sneaks back in.
Transplant Young Plants Into Their New Homes
Place your transplants in the ground, then give them a generous drink of water. Surround them with mulch, marking where the plant is with a stick or tag so you can easily find it among the grass clippings, old leaves, or straw. Consider putting up chicken wire or other protective measures if rodents or deer visit your yard regularly, as your sprouts may otherwise become a snack.
Protect Your Garden With Mulch
Finish your flower bed with mulch and compost. Compost enriches the soil so your garden can grow even better. It may help foster larger and stronger plants that bear more fruit and flowers. Mulch keeps your soil moist and controls weeds. Mulch and compost can be DIY creations, but you can also purchase them in-store. The next time you're looking for "mulch near me," stop by the Garden Center to get the right amount.
Greet the Spring
Don't miss a minute of growing season. Prepare to fertilize your lawn, plan your garden and landscaping, and browse The Home Depot nursery to find inspiration on what to plant when the weather warms. For those without lawns, consider adding an outdoor rug or artificial grass to your outdoor space. Shop for the soil, fertilizer, and seeds you need in the aisles of your San Luis Obispo Garden Center, online, or on our mobile app. Let's get growing together.
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