I’ll be the first to admit my watering schedule goes out the window as soon as I get busy. The plants I once cared about start to fall to the side, and inevitably, my plant-killer legacy continues.
If I had the chance to design my garden again, I’d take a whole new approach. The high-maintenance cut flower garden fantasy would be gone, and in its place would be a modern garden design with an array of low-maintenance architectural plants that I know will look fantastic all year round.
To help my fellow time-poor gardeners, I’ve scoured the garden centers and spoken with the experts in search of the best architectural plants that are both structurally gorgeous and practically unkillable. With plants like these, you won’t have to worry about monotonous deadheading or protecting them from harsh frosts. Once this foliage is in place, you’ll have yourself a gorgeous low-maintenance garden all year round. Sign me up!
1. Fatsia
We’re starting strong with a jungle-esque green beauty, Fatsia japonica.
Top choice of flower expert and garden influencer Chloe Plumbstead, she says, “My first choice is Fatsia japonica (available here from Plants for All Seasons). Fatsias require practically no maintenance and are a great option for shadier corners crying out for shape. Not only are they evergreen, meaning they will offer interest through every season, they’re also incredibly versatile, working in most well-draining soils and pots, too.
You don’t need to worry about waiting years for growth either. According to Chloe, “the larger your pot, the larger your fatsia. Plus, they’re very easy to take cuttings from, meaning more plants for free.”
Fatsias also work well as indoor plants in unheated areas like conservatories, so don’t forget to propagate a few indoor plants so you can enjoy your Fatsia throughout your home.
2. Phormium
A plant known for its striking silhouette, Phormium, available from B&Q, is a fantastic choice for adding a strong architectural shape to your patio or borders. Plus, according to garden designer Agata Henderson, they’ll happily put up with an inconsistent gardener.
“Phormium is a striking architectural plant with bold, colourful leaves. Growing it in a pot restricts its size, making it far more manageable. It’s also very tolerant of occasional neglect,” says Agata.
Phormium comes in all different shapes, sizes and colours too. If you want to keep your plant compact, perhaps for a smaller patio or balcony, Phormium ‘Black Adder’ has an intense, masculine look with its deep green and purple spiked leaves. Or for colour, Phormium ‘Maori Queen’ or ‘Jester’ will give you green leaves edged with a sunset orange-pink hue. Both reach around 1-1.5 meters in spread and height.
For larger plants, Phormium ‘Firebird’ lives up to its name with its fiery orange striped leaves. Or for a burst of fresh evergreen leaves, Phormium tenax will give you rich green leaves and reach up to 4 meters tall and 2.5 meters in spread.
3. Yucca
Commonly seen as houseplants, Yucca is a low-maintenance gardener’s best friend, according to gardening expert Tim Clapp, head of horticulture at Verve for B&Q.
Unlike higher-maintenance plants like roses, which enjoy fertilizing routines and rich soils, Yucca plants thrive in poor soil conditions and when left to their own devices. Tim explains: "Yucca is a superb choice for gardeners wanting a sculptural, contemporary look with almost no maintenance. It performs best in full sun and poor, well-drained soil, making it ideal for gravel gardens or containers.”
Yucca plants thrive in bright sunny conditions, so are well-suited to sun-trap patio or balcony positions. Don’t forget to check the hardiness of the type of Yucca before you buy it, though, as not all will be hardy enough for UK winters.
According to Tim, “Yucca filamentosa [available here from Amazon] is particularly reliable and hardy in UK conditions”. This variety is on the smaller side, reaching around 1 meter in height and 1.5 meters in spread. Its deep green sword-like leaves will give your garden year-round colour, then come summer, you can enjoy its tall spires of cream flowers. Trust the experts on this one, it’s a showstopper.
4. Geum
When speaking to the experts, a part of me really hoped they’d recommend Geum. It’s a criminally underrated flower in my opinion, and luckily Chloe Plumstead thinks so too!
“Geum ‘Totally Tangerine’ is a crowd-favorite perennial. It’s low maintenance when planted in a well-drained border and acts as a semi-evergreen in sheltered gardens,” says Chloe. “Simply deadhead now and then during the flowering season and cut back dead stems in spring for years of pollinator-friendly color. I love ’Totally Tangerine’ but ‘Mai Tai’ and ‘Pink Petticoats’ are also very pretty.”
Though not as visually dominant as plants like Phormium, Geum’s stems bring understated architecture to quieter garden areas with exceptionally long flowering periods. One of my favourite places I’ve found Geum is in clumps around a seated pea shingle area. It spilt over the edges into the garden beds and lawn, creating a relaxed and informal cottage feel.
5. Pittosporum Tenuifolium
Otherwise known as ‘golf ball’, pittosporum is a super-reliable evergreen shrub that is well suited to garden designs with fresh colour palettes, and is one of expert Tim’s favourite low-maintenance shrubs.
“Pittosporum is an excellent low-maintenance shrub for adding year-round structure, with neat evergreen foliage and a naturally architectural shape,” says Tim. “It thrives in a sunny, sheltered position with well-drained soil and works equally well in large pots or borders. Compact varieties such as ‘Golf Ball’ or ‘Tom Thumb’ are personal favourites for their tidy habit and subtle leaf colour.”
I love it when this plant is used in a modern country garden design. Positioned upfront in a garden bed, alongside tall bronze grasses which create movement and fresh green, white or purple flowering perennials, it’ll make your garden look effortlessly expensive and well-designed.
FAQs
Does Pot Choice Matter for Low Maintenance Plants?
According to Agata, your pot choice can also drastically affect a plant's maintenance. In her opinion, large glazed pots are the way forward if you want an easy, minimal-maintenance plant.
“Cheap plastic pots are rarely a good choice. They tend to overheat in summer, fade over time, and offer little aesthetic value. They also become brittle and break after a few years, ultimately ending up in landfill,” says Agata. “Metal planters can look very striking, but they heat up quickly, which can stress plants. If you love the look, lining them with insulation such as polystyrene can help regulate temperature.”
“Classic terracotta pots are timeless and durable, but they are porous and lose moisture quickly, meaning more frequent watering is required. Large glazed pots are, in my experience, the best option. They retain moisture well, add beautiful color, and are incredibly long-lasting — I still have glazed pots in my garden after 18 years.”
It's official, strategic gardening is the way forward. No more panicking about watering the plants when you go on holiday or getting bogged down by endless maintenance tasks.
With this selection of plants, you'll have a modern architectural garden that you can actually sit back and enjoy.
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