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5 Plants That Are Hard To Kill

5 Plants That Are Hard To Kill - Nature Hills Nursery

Charlotte Weidner |

We know that not everyone is cut out for being a master gardener; even a few of us at Nature Hills struggle to keep our plants alive! We know-- how embarrassing.

If you’re a beginner gardener, seem to almost always forget to water your plants or simply have an uncontrollable brown thumb, you’ll want to consider adding a few of the plants listed below to your landscape.

Or maybe you have always assumed your yard was too shady, a tad too dry, or that the soil was a little sandy to proudly support plants well. But-- guess again.

Our plant picks below not only are interesting and unique, but they also can tolerate a bit of neglect and thrive in even the not-so plant friendly places!

    Top Hardy Plant Choices

    Yucca

    Start growing some of the most commonly known xeriscaping plants around. Yucca plantss are among some of the top chosen hardy specimens for those landscapes and gardens that struggle to support happy and healthy plants.

    yucca

    You’ll easily spot one-- or a dozen-- when in national parks located in areas like New Mexico and Texas. Why? Because they can take the heat, rocky soil and limited water.

    There are almost 50 known species of Yucca plants, each being diverse in their unique ways. Some are prized for their Yucca flowers, while others are noticed because of their intricate leaf characteristics. But all are masters of being hardy!

    Most commonly, landscapers use Yucca plants to add a sense of color to their rock gardens. Or place it near the front of a shrub border in the works.

    Do you have a vast dry slope that is a complete eye sore to your yard? Yuccas work well in mass plantings to cover that up!

    Even use them as container plants that can be placed on either side of your front door entrance. It makes a statement and everyone will remember your house. If you ever get bored with the placing, it's easy to move the plant to a backyard patio or even make it an indoor plant!

    With a Yucca, your garden will always have color no matter where it resides.

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    As stated, the Yucca plant is easy to grow, which means it’s also easy to care for! That’s good news for you. To increase the chances of prime growth on your Yucca, we’ve highlighted a few plant tips below.

    The type of soil is all the same to the Yucca; however, it’s essential to have it well-draining. This will help avoid rot from developing. When watering, you won’t need much other than an inch per week during the hot months and little to none during the cold months. They are extremely drought tolerant!

    There is no need for extensive pruning with Yuccas. However, if you want to lightly trim away dead or damaged leaves to help grow new, feel free to do so at any time.

    Catmint

    There is something about a perennial that is aromatic, ornamental and best yet-- hardy. Catmint plants produce a cluster of lavender-blue flowers atop gray-green foliage.

    catmint

    Even though today it is most commonly grown in gardens, this plant has an interesting history behind. In fact, it was first cultivated in a Roman town for their herbal tea and used as an insect repellent.

    If your vegetable garden is struggling with various insects, we suggest edging it with Catmint plants for not only a pretty purple border, but also for a deterrent to harmful bugs like aphids and japanese beetles.

    Or, have it gracefully spill over a wall or rocks as a tough groundcover. Maybe you need a plant that can line walkways or sit in front of the garden. A Catmint should be your first choice. It even won the ‘2007 Plant of the Year’ award!

    Do you want to bring a natural minty fragrance indoors? That’s not a problem either. It grows well in containers to serve as a house plant or as a homegrown herb. Many gardeners who struggle to stay on a watering schedule will grow Catmint because of its drought tolerant abilities.

    It can be fresh, dried or even frozen for both herbal teas and culinary use.

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    The basic care tips for Catmint are simple. When first getting established, the plant will appreciate regular watering until it's ready to stand alone. After that, it will only need occasional watering.

    If you planted it in full sun and start to experience a period of extreme heat, provide supplemental watering. Mulch placed over the root zone will help conserve moisture and moderate soil temperatures.

    When in richer, more fertile soils the plant will be encouraged to grow taller and wider. However, in rocky and dry soils, it will stay refined and compact.

    Before the blooms appear, trim your plants back in early spring. However, when your Catmint starts to bloom throughout the summer and into fall, consider deadheading the spent blooms. Especially after the first round of flowers.This will only promote additional flowering for all to see!

    Hydrangea Arborescens

    Annabelle Hydrangea

    If you’re looking for hardy plants that bloom profusely year after year-- look no longer. Hydrangea Arborescens are the winners of that category.

    Being native to most of the United States, Arborscens come with easy care instructions for those who can't seem to keep their blossoms alive long enough for others to envy. With proper planting and water when you get the chance, each growing season will bring gigantic and colorful blooms. Take that neighbors.

    Use Hydrangea Arborescens for almost any landscape need. Each ornamental structure gives off a ‘classic’ vibe to a yard, which can unify an entire design with one plant. Placing a long hedge along the edge of a landscape creates a privacy screen, option for cut flowers and chic mass planting.

    If you already have a fence in place, no worries! These hydrangeas look great alongside them. Or, mix and match them among your already established perennial or shrub borders.

    If you need a plant that is going to wow your guests from the point of entry, Hydrangea Arborescens grow well in containers while looking dreamy when doing it. Place one on either side of your font patio as a natural greeter.

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    With Arborescens, you won’t have to go through the hassle of changing the pH levels to get a color of your liking. Instead, they produce their bright shades in any soil! As long as the soil drains quickly, they will tolerate it.

    A simple, once a year pruning is recommended cutting all of the stems down to a few inches each early spring just before they start to grow. Full sun is appreciated and wanted, but they will also grow in partial shade areas too-- at least 4 hours of sun daily.

    Best watering practices include providing an even amount regularly, especially early in the flowering season. When establishing new, provide supplemental water. Use the finger test by poking a finger in the soil. If it is moist, you can skip watering for the day; if it is feeling dry, give it a drink.

    Ornamental Grasses

    Ornamental grasses are a must-have in a hardy landscape. They often get overlooked because they do not provide flowers, but the gardens that utilize these plants definitely look the most interesting in colder months.

    ornamental grass

    From color and shades to textures and forms, grasses have it all. Not to mention, they are hardy, display year-round interest and easy to maintain.

    The best part about Ornamental grasses is that they are drought tolerant. Which means you can forget to check on it and it will still be prospering on its own.

    Quick gardening tip: for a complete landscape assembly, plant at least one ornamental grass in every garden bed. It’ll tie the whole look together. Or place it on a steep hillside or alongside paths to help with erosion control.

    For borders, foundation plantings and open spaces, you’ll add needed texture with grasses. And it won’t even require loads of care, so add as many as you would like!

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    Grasses aren’t picky with soils and they prize themselves on being drought tolerant. A few even being insect and disease resistant as well.

    Easy maintenance with a simple once a year pruning is recommended by cutting all of the old leaves and stems down to just a few inches in late winter or early spring just before they start to grow.

    Full sun is their favorite and where they will perform their best in any landscape. When early spring approaches, cut the dead growth from the previous season to make room for new growth.

    Daylilies

    Daylilies are an old durable blooming perennial used in a variety of gardening designs across the United States. Even in urban areas!

    Daylily

    Gardeners love them for their amazing assortment of colors and sizes. Pick and choose from orange, yellow, pink, purple and many other combinations. Then choose the size. It’s almost as if you can build your very own Daylily flower.

    Come the summertime, enjoy rays of color that spread across your landscape. They are a favorite garden border for color to pair well with semi evergreen plants. However, many love to use them as groundcovers on slopes that struggle to produce grass.

    Nature Hills can’t get enough of Daylilies, so we suggest choosing an area for mass plantings. You’ll have ample blooms that you can easily cut for an indoor bouquet on the kitchen counter!

    A hidden gem of Daylilies is that all parts are in fact edible! Flower buds are commonly cooked for various dishes and the petals are used in salads. Some say the buds resemble the taste of green beans.

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    Daylilies will perform well in almost all conditions, except for heavy water-logged soils. For the happiest flowers, establish in rich and moist soil that is in a sunny area. They can withstand a bit of shade if need be.

    Once established, these hardy plants will tolerate drought and will only be watered as needed.

    Many Daylily varieties are reblooming so when the first round of flowers finish, be sure to cut all of the flower stems down to the ground. By cutting the old flower stems out it will encourage new flower stems to develop. Then, at the end of the growing season after several frosts in late fall, cut all foliage and old flowering stems down to the soil removing all old leaves and stems and discard them.

    Daylilies tend to not be deer resistant, so setting up a deterrent is a good idea if needed.

    Gardening can be made easy with these 5 hardy plants that are hard to kill, even by those with a notorious brown thumb!

    Happy planting!

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    Frequently Asked Questions

    Are hydrangeas hard to kill if you forget to water them?

    Hydrangea arborescens is one of the toughest hydrangeas you can grow, making it a solid choice for gardeners who occasionally forget to water. That said, hydrangeas do prefer consistently moist soil, so they are less drought-tolerant than something like a yucca. To give yours the best chance, plant it in a spot with some afternoon shade, which reduces moisture loss, and apply a 2 to 3 inch layer of mulch around the base to help retain soil moisture between waterings.

    Can yucca plants survive cold winters and harsh weather conditions?

    Yucca plants are remarkably tough and can handle a wide range of weather conditions, with most varieties being cold-hardy to USDA zones 4 or 5 depending on the species. Popular varieties like Adam's Needle Yucca and Color Guard Yucca are known for tolerating freezing temperatures, drought, rocky soil, and intense heat. The key to winter survival is ensuring your yucca is planted in well-draining soil, as standing moisture during cold months is far more damaging than the cold itself. Choose a variety suited to your hardiness zone and prioritize good drainage at planting time to set your yucca up for long-term success.

    How do you cut back salvias to keep them healthy and blooming?

    While salvias aren't featured in this particular article, the general best practice is to cut salvias back by about one-third after each flush of blooms to encourage reblooming throughout the season. In colder climates (zones 4-6), wait until early spring to do your hard pruning, cutting stems back to about 6 inches from the ground once you see new growth emerging from the base. In warmer zones (7 and above), you can do a more aggressive cutback in fall after flowering slows. Deadhead spent blooms regularly throughout the growing season to keep your salvias tidy and continuously producing new flowers.

    How do you stop ground elder from taking over your garden beds?

    Ground elder (Aegopodium podagraria) is a notoriously persistent spreader, but consistent removal before it sets seed is your best defense. Dig out the entire root system in early spring when the soil is soft, taking care to remove every fragment of the white rhizomes, as even small pieces will regrow. For severe infestations, smother affected areas with a thick layer of cardboard topped with 4 to 6 inches of mulch for a full growing season. If non-chemical methods fail, a systemic herbicide containing glyphosate applied directly to the leaves in spring or early fall will help bring a heavy infestation under control.

    Can hostas thrive in Ontario winters without any special protection?

    Hostas are generally hardy in USDA zones 3 through 9, which covers most of Ontario, making them well-suited to survive the region's winters without intensive intervention. Once established, they die back naturally in fall and re-emerge reliably each spring. However, applying 2 to 3 inches of mulch over the root zone in late autumn can offer added protection during periods of extreme cold or freeze-thaw cycles. Choose a hardy variety suited to your specific Ontario zone and mulch after the first hard frost for the best results.

    How do you choose hard-to-kill plants that will actually survive your USDA zone?

    Choosing truly tough plants starts with confirming your USDA hardiness zone and cross-referencing it with each plant's rated range before you buy. Plants like Yucca, Catmint, Ornamental Grasses, and Daylilies cover an impressively wide range of zones, often thriving from Zone 3 all the way through Zone 9, which makes them reliable choices for most of the country. Beyond zone ratings, factor in your site conditions like soil drainage, sun exposure, and moisture levels, since a plant rated for your zone can still struggle in waterlogged or overly sandy soil. Visit naturehills.com, enter your zip code to confirm your zone, then filter by that zone and look for plants labeled drought-tolerant or low-maintenance to build a landscape that practically takes care of itself.

    Which tough plants are most forgiving for beginner gardeners who struggle with watering?

    For beginner gardeners who tend to forget watering duties, Yucca, Catmint, Hydrangea Arborescens, Ornamental Grasses, and Daylilies are among the most forgiving choices available. Yucca is especially drought-tolerant, thriving in rocky, sandy, or dry soils with minimal irrigation, making it a top pick for xeriscaping and problem areas like dry slopes. Start with one of these low-maintenance plants, ensure the soil drains well to prevent rot, and you will have a resilient, attractive addition to your landscape with very little effort required.

    How much sun, shade, and water do hard-to-kill plants typically need to thrive?

    Hard-to-kill plants like Yucca, Catmint, Ornamental Grasses, and Daylilies generally thrive in full sun to partial shade and require minimal supplemental watering once established, making them ideal for dry or low-maintenance landscapes. Yucca, for example, is a true xeriscape champion that tolerates intense heat, rocky or sandy soil, and extended drought with little intervention. Most of these tough plants perform best with well-draining soil to prevent root rot, regardless of how much or how little rain your region receives. Start by planting in a location that receives at least six hours of direct sunlight per day, water regularly during the first growing season to encourage deep root development, then scale back and let the plant's natural hardiness take over.

    Do hardy perennials and drought-tolerant plants still need regular fertilizing?

    Hardy perennials and drought-tolerant plants like Yucca, Daylilies, and Ornamental Grasses are naturally low-maintenance and rarely require heavy feeding. Over-fertilizing can actually do more harm than good, encouraging lush but weak growth that makes plants less resilient to stress. A single application of a balanced, slow-release fertilizer in early spring is typically sufficient to support healthy growth through the season. Focus instead on well-draining soil and proper placement, and let these tough plants do what they do best.

    How do you plant tough perennials or shrubs to help them recover from transplant shock?

    Giving tough perennials and shrubs the best start means digging a hole two to three times wider than the root ball but no deeper than it sits in the container, which keeps roots at the correct level and prevents settling. Water thoroughly at planting and apply two to three inches of mulch around the base, keeping it away from the stem, to retain moisture and regulate soil temperature during establishment. For most hardy plants like Yucca, Daylilies, and ornamental grasses, planting in early spring or early fall gives roots time to establish before temperature extremes hit. Focus your first season on consistent watering every few days until roots are established, then ease back as the plant proves it has settled in.