14 Unique Plants to Make Your Garden the Talk of the Town

You say “weird” like it’s a bad thing

White round flowers garden
Photo: Jacky Parker Photography / Getty Images
White round flowers garden
Photo: Jacky Parker Photography / Getty Images
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From hydrangea to roses to hostas, some plants are common for a reason: they grow in a variety of climates and produce with little effort. But if you’re bored with boxwood, the next time you’re looking for an addition to your garden, consider a lesser-known plant but one likely just as easy to grow. From stunning tropicals to mysterious plants fit for Dracula’s castle garden, these 14 unique plants for your garden will add a little pizazz to your growing grounds. 

1. Black Mondo Grass 

Ophiopogon planiscapus ‘Nigrescens’

Black mondo grass in yard
Photo: dmf87 / Adobe Stock
  • Hardiness zones: 5 to 10 

  • Likes: Partial sun

One of the few truly black plants, this stunning plant grows slowly into neat, mounds about six inches high and wide. It can handle full sun in milder, coastal climates or be used in shade gardens, looking striking when planted along a border in front of a bright yellow heuchera, such as Heuchera x 'Carnival Limeade' or ‘Electric Lime.’ 

Black mondo grass has tiny pale purple or white flowers in the spring that turn to shiny purple berries, which stand out brightly against the deep black color of the blades. Because it is a slow grower, plant this spidery specimen in a container. For a winning combination, plant it in a cobalt blue pot with contrasting chartreuse spikemoss (Selaginella kraussiana 'Chartreuse’) or a golden creeping Jenny (Lysimachia nummularia 'Aurea’).

2. Cup and Saucer Vine 

Cobaea scandens

Purple flower green bush
Photo: skorpionik00 / Adobe Stock
  • Hardiness zones: 9 to 11 

  • Likes: Full sun 

One of the most beautiful vining plants, the magical two- to three-inch purple and green bell-like flowers look like little cups sitting on tiny saucers. An heirloom plant native to Mexico, it grows as a tender annual anywhere but in zones 9 to 11. The cup-and-saucer vine can ramble up to 30 feet long and 6 feet tall but usually doesn’t grow quite that big as an annual. Get a headstart by sprouting the seeds indoors. A fantastic addition to a cottage garden arbor or fence line, this is the ultimate Victorian garden plant. As a bonus, it attracts hummingbirds (and in some southern climates, bats!).

3. Bat Flower

Tacca chantrieri

Black flower green garden
Photo: linjerry / Adobe Stock
  • Hardiness zones: 9B to 11 

  • Likes: Shade (bright light, no direct sun) 

  • Special note: Bat flowers are poisonous, so exercise caution around pets and children

Named for their bat-like appearance, the bat plant’s floral structure is as complex as Dracula himself. The flowers are made up of deep purple bracts which sprout long whiskery bracteoles that can grow as long as 2 feet. There are also several deep-colored, pendulant flowers that burst from the center of the “bat.” 

There are several varieties of the bat plant, the most popular being deep purple, but the flowers can range from chocolate-brown to white. Because they are so tender, unless you live in one of the mildest zones, grow them in pots and keep them outside in the summer, then bring them in as houseplants during the cool weather. 

With their blooms, they can reach 3 feet in height but usually stay under a foot wide, and with the right amount of humidity and bright, indirect light, they can bloom several flowers one plant at the same time.

4. Vampire Lily 

Dracunculus vulgaris

Large purple flower garden
Photo: LMPark Photos / Adobe Stock
  • Hardiness zone: 5 to 8

  • Likes: Bright shade

  • Special note: Can be toxic to animals 

Also known as the dragon arum, this tropical-looking plant is surprisingly hardy. Named for its incredible flower, which is a velvety, vampire red with a ruffled edge and a long, purple-black spadix. The flower itself has a stinky, rotten smell that attracts its pollinator, carrion beetles, and flies. 

If you have one of these blooming in your garden, you’ll know it. The leaves are deep green, and the flowers' stems are actually green dappled with red, giving it the appearance of being splattered with blood. Although sinister in appearance, the plant itself is non-toxic to humans and used in various medicines. Look for its cousin, the voodoo lily (Sauromatum venosum ), also called the snake lily, which has a similar flower (and smell). 

5. Mangave sp.

Close up detail mangave plant
Photo: KarinD / Adobe Stock
  • Hardiness zone: 9 to 11

  • Likes: Full sun

 If you want something in your garden that none of the neighbors have, consider a mangave. 

Relatively new to the botany scene, mangaves are a cross between agave plants and the genus Manfreda (which is now considered an agave). While the agave is most frequently associated with the enormous plant that produces nectar or tequila, these hybrids are small and full of personality. 

From curling leaves to red tips to wild waves, look for the ‘Catch a Wave’ mangave, which has sliver, waving leaves, or the wild-looking ‘Desert Dragon,’ which only grows about six inches high and is green with purple spots. Mangaves also look great in containers and, for most climates, will need to be kept as a houseplant through the winter or considered an annual. 

6. Beautyberry 

Callicarpa 

Bush covered in purple berries
Photo: igaguri_1 / Getty Images
  • Hardiness zone: 5 to 8

  • Likes: Full sun 

While the flowers of the Callicarpa are certainly lovely, it’s the shiny bluish-purple berries left behind after bloom that earned this sweet shrub its common name, beautyberry. Because the berries appear in the fall, plant a beautyberry for a unique color against warm autumn oranges and yellows. This flowering shrub grows around 6 feet tall and wide and attracts birds to the garden. Look for Callicarpa bodinieri ‘Profusion’ for an excessive display of berry clusters.

7. ‘Star Frost’ Globe Thistle

Allium sp.

White round flowers garden
Photo: Jacky Parker Photography / Getty Images
  • Hardiness zone: 4 to 9

  • Likes: Full sun

Globe thistles are a popular choice in gardens for their long-lasting, sturdy flowers and natural deer resistance, but less commonly seen are the pale variety, such as ‘Star Frost,’ which produces large, round globes of white flowers.  This onion relative attracts pollinators galore, with upright flowers that can grow up to 4 feet high. 

 8. Mandrake 

Mandragora officinarum 

Purple flowers in green leaves
Photo: bodot / Adobe Stock
  • Hardiness zones: 6 to 8

  • Likes: Full sun or partial shade 

  • Special note: Mandrakes are poisonous plants, so use caution around children and pets. 

Fans of Harry Potter will recall the screaming roots of the mandrake, and few plants in history are as steeped in as much lore as the mandrake. And while the roots get all the attention, the plant itself is an interesting addition to any garden. 

The relatively low-growing plant gets green, wrinkly leaves that can grow over a foot long but lie flat along the ground. Pale white, bluish, or bright purple flowers appear in the center of the plant, which give way to green berries in late summer. The berries turn red-orange in the fall. If you live in a zone that requires digging them up for the winter, don’t worry—you won’t need earmuffs to block the screams. 

You may discover a fat little root. However, that is supposed to resemble a human body, but more likely looks like a carrot. Another variety of mandrake which blooms in late summer and fall is Mandragora autumnalis

9. Spiral Aloe 

Aloe polyphylla

Green spiral aloe plant
Photo: Patrik Stedrak / Adobe Stock
  • Hardiness zones: 7 to 9

  • Likes: Full sun, partial sun 

A conversation piece in any flower bed, the tight forming spiral of this aloe grows clockwise or counterclockwise. Rare plant enthusiasts strive to have one of each in their own garden beds. Best suited to a rock garden where not overwatered, it can be kept inside like its cousin, the Aloe vera, in the winter in colder climates. It is two feet high and wide and almost globe-like in full growth. 

10. Japanese Blood Grass

Imperata cylindrica

Red and orange grasses in sunlight
Photo: Maryia / Adobe Stock
  • Hardiness zone: 5 to 9

  • Likes: Full sun 

An incredibly striking grass for any garden, the upright blades of green leaves have bright red tips, earning its title. The entire blades become deep red in late summer and fall, glowing in your garden bed, especially when paired with silvery-blue fescues, like Festuca 'Elijah Blue'. Overall it grows to 20 inches high and about 18 inches wide. Look for the ‘Red Baron’ for the showiest of reds. 

11. Harlequin Glory Bower

Clerodendrum trichotomum

Pink flower with blue center detail
Photo: Maryia / Adobe Stock
  • Hardiness zone: 7 to 9

  • Likes: Full sun 

All the glory bowers are striking in a garden, but the harlequin glory bower has a few unique characteristics that set it apart. It’s a fast grower, considered a shrub but for many, it can become a small tree, as it can grow up to 30 feet. 

Small white and red flowers cover it, forming incredibly beautiful bright blue berries in the center of deep pink calyxes. What’s more, when you crush the leaves, they give off an unusual smell some describe as peanut butter-like. Even though it can grow quite large, you can cut it to the ground before winter. 

12. Blue Grama Grass 

Bouteloua gracilis

Detail of blue grama grass
Photo: Hanjo / Adobe Stock
  • Hardiness zones: 4 to 9

  • Like: Full sun 

A beautiful, clumping grass native to the United States, it has a bluish-green color and grows to 4 feet wide and tall. What sets this grass apart from some of its fellow prairie grasses is the uncommon flower structure, which grows horizontally off from the stem, making it appear like little flags. Look for ‘Blonde Ambition,’ which has chartreuse inflorescences that fade to light brown over summer but remain on the plant throughout the winter. 

13. Red Feathers Echium 

Echium amoenum

Red flower details on stem
Photo: BGStock72 / Adobe Stock
  • Hardiness zone: 3 to 9

  • Likes: Full sun

More commonly seen in the purple variety, red feathers echium is an unsung hero of the drought-tolerant perennial bed. It spreads only about 10 inches wide and grows showy 15-inch flower spikes covered in dozens of small, deep scarlet flowers that bloom for weeks. 

14.  Ornamental Oregano

Origanum libanoticum

Purple and green leaves and flowers
Photo: Ball Horticultural Company
  • Hardiness zone: 5b to 8b

  • Likes: Full sun 

Stunning in hanging baskets, the cascading origanum form drooping flowers of pale pink, bluish-purple, and green. Hybrids include ‘Kent Beauty’ and ‘Kirigami,’ which do well in container gardens. Bees and butterflies love them, they don’t need a ton of water, and they even have a lovely fragrance. Although the plant is relatively uncommon, it will not disappoint.

Where to Find Unique Plants for Your Garden 

 While many of these plants might be hard to find at first, you may find many of them available via mail order after you do a little digging online. Pay attention to botanical names rather than common names, as many plants, such as the vampire lily, share common names with other species. Or visit your local plant nursery where a professional can help you find your new favorite flowers and perhaps even special-order them for you. 

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