We have been collecting aspidistras for many years and now have over 200 different clones, including many species new to science. We are testing and building up numbers, so expect more new selections each season. There are few plants more tolerant of deer and deep shade in the woodland garden, and dark corners inside homes, than aspidistra. A great pastime for truly boring people is to watch for the unusual soil-borne flowers.

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More Information About Aspidistra

Aspidistra plants are commonly referred to as cast iron plants and with good reason. These hardy, evergreen perennials are well known for their ability to survive with low light, poor soil, and just general neglect. Aspidistra are notoriously slow growers but once established are one of the hardiest herbaceous perennials you will find.

How to Grow and Care for Aspidistra (Cast Iron Plants)

Where to Plant

Cast iron plants can fill those shaded areas in your landscape where a hosta will just not thrive. We love using the variegated cast iron plants as a hosta alternative. They are also a popular house plant and will thrive indoors with just a small amount of light. Planted outside, aspidistra will slowly spread and make an excellent evergreen groundcover within their hardiness zones.

When to Plant

Aspidistra do best when planted in spring or summer so that they have time to become established, but they can be planted outdoors anytime that the ground is not frozen. Spring and summer are the growth season and is a great time to divide and replant your existing aspidistra.

Are Cast Iron Plants Winter Hardy?

Many cast iron plant varieties are hardy as far north as zone 7a. As with most hardy perennials, good soil drainage is key to winter hardiness. Some varieties may become deciduous in colder conditions.

Bloom Time

Aspidistra flowers are waxy and star-shaped and appear at ground level anywhere from fall to early spring depending on the species and can be a variety of colors including brown, cream, purple, white, and lavender. True plant nerds (like us) will wait in breathless anticipation to see those tiny alien-looking flowers emerge. In the garden the flowers are often covered by leaf litter, so you may have to hunt on hands and knees to catch a glimpse of these fascinating flowers.

Dormancy

Cast iron plants are evergreen but some varieties may become deciduous in colder temps.

How Are Aspidistra Propagated?

Aspidistra are easy to propagate through root division during the summer months when they are actively growing. If you are repotting your indoor cast iron plant to a larger container, take the opportunity to divide and share some of the love with a friend or neighbor.

Aspidistra Water and Soil Requirements

While aspidistra are drought tolerant, they will benefit from regular watering from spring to fall. If planted outside, water moderately in winter. Aspidistra will thrive in just about any soil type if the drainage is adequate.

Sun Requirements

Often referred to as barroom plants, aspidistra are known for their ability to thrive in low light, pub-like conditions and much like a videogame playing teenager, are intolerant of direct sunlight. If you notice a loss of variegation, then it is a sign that your plant needs a little more light.

Pests and Diseases

Aspidistra are resilient to most common garden pests but can be susceptible to spider mites or mealy bugs if indoors or in the greenhouse. Leaf scorch can occur in direct sunlight. Root rot and various fungal issues can also be an issue if drainage is poor, or the plant is overwatered.

Cast iron plants are resistant to a variety of challenges including deer, low-light, salt, and drought.

Toxicity

Cast iron plants are not known to have any toxins that can harm humans, pets, or grazing animals.

Aspidistra Companion Plants

While aspidistra make a terrific house plant, we love exploring the possible pairings and combinations available when used as an outdoor garden plant. Pairing with other shade loving perennials is a fantastic place to start. Here are just a few cast iron companion plants to get you started.

  • Arisaema (Jack-in-the-Pulpit, Cobra Lily) – Primarily spring flowering, these shade perennials have a variety of unique foliage and interesting blooms.
  • Asarum (Wild Ginger Plant)– Small woodland perennials that are mostly evergreen and thrive in light shade.
  • Epimedium (Fairy Wings) – Easy to grow perennial wildflowers that provide plenty of attractive foliage and colorful flowers.
  • Ferns and Allies – No woodland garden is complete without a variety of ferns.
  • Helleborus (Lenten Rose) – Incredible winter-flowering perennials with evergreen foliage.
  • Polygonatum (Solomon’s Seal) – Bold foliage and lovely bell-shaped flowers make these perennials a great addition to a woodland garden.
  • Trillium (Toadshade) – Easy to grow, spring flowering, US native perennials that desire light shade.

Plant Delights Nursery at Juniper Level Botanic Gardens has one of the most diverse collections of aspidistra plants for sale in the world, including unique varieties of the popular Aspidistra elatior and several variegated cast iron plants. We regularly rotate our aspidistra selections, so if you want to buy cast iron plants and do not see the one you want, sign up for our email newsletter for updates or check our website periodically.