Perennial Plants

All You Should Know about Perennials: Types, Features & More 

A perennial is any plant that lives more than two years. It typically has a strong underground part (roots, crown, bulb, rhizome, tuber) that stores resources and helps the plant survive during the dormant cold season. The full list of perennial plants includes over 360,000 species and hundreds of types and subtypes. 

Still, there are a few main categories to distinguish. These are herbaceous plants characterized by soft and leafy growth instead of woody stems (e.g., Garden tulip, Jacobean lily, Daylily, Peony) and woody species (e.g., Boxwood, Mountain hydrangea, Fringed lavender, rosemary). Some perennials are also evergreen (e.g., Purple deadnettle). 

How Diverse Perennials Actually Are

The diversity of perennial plants definitely doesn’t stop at three groups. Gardeners can choose different long-living species based on different characteristics. 

For example, there are full-sun plants that require 6+ hours of direct light like coneflower, catmint, or salvia. There are also partial-shade species that need 3-6 hours of sun, like Coral bells, Bleeding heart, or Heartleaf foamflower. For dark places, full-shade species that prefer fewer than 3 hours of sun, such as many hostas and ferns, are the best fit possible. 

Also, the category includes ground covers like barrenwort and deadnettle, mid-border plants like peonies and daylilies, and tall border plants like Joe Pye weed or goatsbeard. Perennials can also be used in different types of landscapes — formal and semi-formal garden beds and naturalized landscapes. They thrive in different climates, from the coldest ones to the tropics. 

Hidden & Long-Term Benefits Explained 

Such hardy and lasting species offer a full set of benefits. They need to be planted only once, can be divided (split into pieces to replant) to fill more space, and are low-maintenance overall. Their roots can access moisture other plants can’t reach. Also, such species typically require less fertilizer and support wildlife, including a wide range of pollinators. 

So, perennials are very flexible and fit different spaces and climates. The only thing a gardener should do is select the right species. On this page, you can see perennial plants with names, photos, key requirements, and care tips across all categories, from indoor to garden species and both low-maintenance and high-maintenance species.