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Building your own frog pond is a great way to turn your yard into a mini-oasis while also providing for local wildlife. Frogs enjoy ponds that are shallow, slope gently, and have plenty of hiding spots. Installing a pond liner and rocks provides the frogs with what they need while also making the pond more durable. Then, fill the pond with bushy plants and logs to increase your chances of attracting local wildlife.

Part 1
Part 1 of 3:

Selecting a Location

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  1. Plan on building the pond in a location that is about 70% covered by shade. A good place to build a pond is partially underneath the shade of a tree. Sunlight keeps the pond warm while shade prevents the frogs and their water from drying out. [1]
    • Build underneath a deciduous plant like an oak and maple trees. The tree will lose its leaves in the fall so the pond receives full sunlight in the winter, preventing it from freezing.
  2. Frog ponds are relatively flat so the frogs are able to get in and out of the water. Once you have an ideal spot, dig up any stones you see. Remove plants by digging underneath their roots to lift them out of the soil. If you need to dig up sod, cut it into strips with a spade, then roll it up to clear the ground.
    • The flatter the land is, the better it will be for your pond. If it isn’t flat, consider digging out the high points and filling in the low points. Avoid placing the pond near slopes, since water and debris will seep into it.
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  3. Sketch an outline on the soil with some marking spray paint. An average pond is about 5 ft (1.5 m) long and 5 ft (1.5 m) wide. Bigger ponds provide more shelter for the frogs and are better if you have space for them. [2]
    • Most constructed frog ponds are oval or crescent-shaped. Adjust the shape of your pond as needed to fit it in the space you have available, but try to keep a basic shape so the pond liner fits it easily.
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Part 2
Part 2 of 3:

Constructing the Pond

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  1. Remove the soil, setting it aside away from the pond’s edges. Make sure the pond reaches its maximum depth in the center. The pond does not need to be deep in order to be a good habitat for frogs.
    • Make the pond no more than 3 ft (0.91 m) deep. This depth is enough for frogs in colder climates to safely hibernate during the winter.
  2. The pond needs to slope gradually so frogs have no trouble climbing out of the water. Start putting the soil back around the edges of the pond. Keep filling the pond to create a very gentle incline towards the center, which will be the deepest point. [3]
    • Make a 10% grade or smaller incline. As long as the pond’s slopes gently without any ridges around the perimeter, it will be safe for frogs.
  3. A tamper tool is a square-shaped tool that you press down against the soil to compact it. Go over the entire pond until the soil is firmly in place. The tamper will also press rocks into the soil so their rough edges can’t slice up the pond liner. [4]
    • Tamper tools are available at most hardware stores. You may be able to rent one there as well.
  4. Select an underlay that is big enough to cover your entire pond. Center the underlay in the hole you dug, draping it over the pond’s edges. Press down against the underlay, smoothing it out to eliminate wrinkles and air bubbles. [5]
    • Underlays are made of a soft material like polypropylene. They are extra useful if you have rocky soil or have pets and wild animals that may visit the pond.
    • If you have high-clay soil or wetland soil, you may be able to skip using a pond liner and underlay. The pond will fill with water on its own.
  5. Choose a pond liner that is big enough to cover your pond. Fit it in place the same way you did with the underlay. Make sure it covers the entire underlay, then flatten it out to remove wrinkles and air pockets that could lead to damage later.
    • If you wish to remove the excess liner and underlay, cut it with scissors or a utility knife. Leave them a little long so they overhang the pond walls. Removing the excess is optional since you can always cover it with rocks and plants.
    • Another option is to get a rigid plastic liner from a home improvement store. This type of liner is like a tub which you set in the ground. You do not need an underlay beneath it. [6]
    • Alternatively, you can have a concrete pond. It is a pond that does not give you any problems.
    • You can waterproof the pond. You don't have to worry about the liner getting a hole. It is the ultimate pond structure you can get.
    • But most people don't have a budget to do a full plumbing system in the concrete, rebar, and structural components that take up or make up the cost of the concrete structure for a pond. So if you have the money, build a concrete pond.
  6. Get several big landscaping rocks and fit them inside the pond. Rest them against the edges of the soil. These stones cover up the liner and provide some hiding spots for tadpoles. [7]
    • To make the rocks look more natural, choose stones that do not look uniform. Position them all differently instead of laying them horizontally in a ring.
    • Check landscaping companies and nearby home improvement stores for stones. You may be able to find some in the wild, but don’t take them unless you have permission to do so.
  7. Purchase a few bags of pond gravel, set them in your pond, and cut them open. Spread the rocks around to create an even bottom layer hiding the pond liner from view. The rocks also serve as a cushion to protect the liner from damage.
    • Sand and dirt also work but make the pond look dirty. Try mixing some gravel in with play sand or topsoil to create a more effective bottom layer.
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Part 3
Part 3 of 3:

Decorating and Filling the Pond

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  1. Pick out some plants that grow naturally in your area. Bushy, leafy plants are ideal since they both provide cover and attract insects frogs love to eat. Take the plants out of their pots and install them directly in the sand or gravel at the bottom of the pond. Scatter them around so they give your pond a more natural aesthetic. [8]
    • Some good plants for the deeper parts of the pond include pennywort, water celery, Mexican starflower, tassel sedge, and marsh flowers.
    • For the shallower parts of the pond, choose plants like sedges, water canna, rush, nardoo, lemon bacopa, and arrowhead.
  2. Put the filter plants in the pond along with the other plants. A few plants to try include anacharis, water hyacinths, tapegrass, and water lilies. Free-floating plants like hornwort also help, but fill the pond with water before adding them. [9]
    • Frog ponds aren’t usually equipped with a filter. If your pond is large, consider installing a pump and filter system . Pumps can be dangerous to tadpoles, so rely on plants if possible.
  3. Moisture-loving plants create shade while also making your pond look more natural. Dig up the soil beyond the pool liner and put the plants in place. Some plants to grow include maidenhair ferns, violets, bottlebrush, coral pea, and deer grass. Cover the roots up with a mound of soil or some wood-based mulch. [10]
    • Slice away the excess pool liner as needed to fit the plants near the water’s edge. Be careful not to cut the liner down too far. Let it extend past the pond’s edges by at least 2 in (5.1 cm).
    • Fill in the gaps between plants with gravel, stones, and soil to hide an exposed pool liner.
  4. Frogs, especially vulnerable tadpoles, enjoy having places to hide. Improve your pond by getting a piece of driftwood, for instance, and setting it near a pond wall. Make sure it’s stuck firmly in place near some water plants. [11]
    • If you don’t have a good piece of driftwood, try piling dirt to create mounds close to the edges of the pond. The mounds make the pond look more natural while also giving the frogs a little bit of hiding space.
  5. Run a garden hose from a nearby spigot to the pond. Your pond needs between 18 to 24 in (46 to 61 cm) of warm water. Make sure the pond stays filled, especially during warmer months. Fill the pond as needed to keep the water level consistent.
    • Let the pond fill with rainwater, if possible. Rainwater has less harmful chemicals than tap water and doesn’t need to be treated.
    • Tadpoles hatch in late spring and grow throughout the summer. This is the most important season for maintaining the pond’s water level.
  6. Purchase a jug of dechlorinating powder, then sprinkle it into the water according to the manufacturer’s instructions. To mix in the powder, turn on your hose and spray the pond’s surface. Chlorine is toxic to frogs, so you won’t see any at your pond unless you dechlorinate the water first. [12]
    • Any time you need to add tap water to the pond, add some of the powder.
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Community Q&A

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  • Question
    Will it become a mosquito pond?
    Karin
    Top Answerer
    Yes. Stagnant water will become prime mosquito habitat. But mosquitoes are a part of nature; they can attract not only frogs, but damselflies, dragonflies, birds like fly-catchers and other songbirds, and other insects that feed on mosquito larvae. By building a frog pond, you create a habitat for many other wetland species. Don't panic, give yourself a pat on the back.
  • Question
    Should I plant something in the pond? And if yes, what type of plants and where do I find them?
    Community Answer
    You should plant pond or riverside plants, like duckweed, pondweed, lilies, cattails, etc. to provide natural food and shelter for the frogs and their young. You can find these basically anywhere. I heard that some "land plants" can also grow in water. Just do a little research before you buy anything.
  • Question
    Do pellets dropped in a pond for mosquitoes harm frogs?
    Community Answer
    If they are to keep mosquitoes out of the pond and away that is probably poison and shouldn't be used where other animals could ingest it. Yes, it could possibly harm frogs.
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      Tips

      • Frogs get very noisy at night, so if the pond is near your home, keep it away from your bedroom window.
      • You do not need to catch tadpoles to stock your pond. As long as you build a good habitat, frogs will come. Sometimes this takes several years. If it takes too long, try buying tadpoles from a supply store.
      • Flower pots are a good way to create hiding spots around the pond. Tip them over and set them in the dirt.
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      Warnings

      • Some plant species are invasive and restricted by law. Research what pond plants grow naturally in your region. These plants are usually safe to grow around a pond.
      • You can get in legal trouble for taking tadpoles from the wild. Always check your local laws. Instead, wait for frogs to come to your pond or tadpoles from outside sources.
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      Things You’ll Need

      • Spade
      • Marking spray paint
      • Tape measure
      • Pond underlay
      • Pond liner
      • Tamper
      • Landscaping rocks
      • Gravel
      • Pond plants
      • Driftwood
      • Utility knife or scissors

      About This Article

      Article Summary X

      To build a frog pond, pick a large flat spot on your property that’s about 70% covered by shade, like underneath a big tree. Dig out the soil until the pond is between 1-3 feet deep, and pack the dirt you removed along the edges of the pond to create a gentle slope. Press the soil down with a tamper tool, then lay down an underlay and a pond liner. Place heavy rocks around the pond to hold the liner in place and cover the liner with gravel, then add plants and water to the pond. For tips on how to choose the best plants for your frog pond, keep reading!

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      Reader Success Stories

      • Nancy Jakeman

        Jun 25, 2021

        "I haven't started yet. Just got all the knowhow. I have no flat land here but when I move to my new place I ..." more
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