According to the California Invasive Plant Council, Calla lilies are an aggressive weed and are listed as an invasive species in coastal California. The plant is also problematic in Australia, particularly affecting agricultural growers. True to their tropical nature, calla lilies thrive in a warm environment, including plenty of light. If you have hot and humid summer weather, your calla lilies might do better in a spot with partial shade.
If you have a more temperate summer climate, your calla lilies can handle full sunlight. A rich, moist, well-drained soil is best to keep calla lilies blooming. Calla lilies often do well growing alongside ponds and can happily tolerate a moist soil location. Although avoid allowing these plants to become waterlogged, it can lead to root rot.
To increase the nutritional density of your soil, amend it with organic matter before planting your flowers. Don't water your calla lilies too heavily, especially after initially planting them. Once the rhizomes are established, you can water the plants once a week or more frequently if experiencing especially hot or drought-like conditions.
Calla lily plants potted indoors will need constant moisture, as pots will dry out sooner than ground plantings. Calla lilies like a fairly warm environment and temperatures between 60 and 80 degrees Fahrenheit. They also enjoy a decent amount of humidity and moisture, so humid summers keep the flowers blooming just fine. When temperatures drop below 50 degrees Fahrenheit, the plants enter dormancy. Dig up your rhizomes for overwintering before freezing temperatures occur.
Frost can kill the plant. Calla lilies need feeding upon planting and every spring at the beginning of the growing season to promote bountiful flowering. Most well-balanced fertilizers will work just fine. Avoid choosing a blend that is nitrogen-heavy; it can reduce the plant's flowering.
Common calla lily flowers are white with a yellow spadix. These are often found listed as their botanical name Zantedeschia aethiopica. They are the hardiest of the calla lilies as well as the largest. Cultivars of this plant have been developed in different colors with a slightly smaller stature. Calla lilies don't require regular pruning, but you can pull off wilted flower parts.
Removing parts of this plant will not kill it. Pinch stems just below the base of the flower with your fingertips or use sterilized pruning shears. If you live in zone 8 or warmer, when it dies back at the end of the growing season, cut it down to the soil level and dispose of any plant debris. In the spring, it will return. It is recommended to wear gloves when working with this plant to avoid touching the sap. Calla lilies can be propagated by dividing their rhizome or rooting structure or growing the plant from seeds.
Calla lilies form into large clumps, and you can divide the clumps into separate plants. The best time to divide rhizomes is at the end of the growing season after they have flowered and their foliage has turned completely yellow.
This is usually in late summer or early fall before they've gone into dormancy. Plants grown from rhizomes will flower much sooner than seed-grown plants. Here's how to divide a calla lily rhizome for propagation:. It can take up to three years for a calla lily planted from seed to bloom. Calla lily seeds must be pre-grown, which can be done by spreading seeds out on a damp paper towel and covering them.
Place the paper towel in a cool location, such as a basement or cellar. Callas bask in anything from full sun to partial shade — bright, indirect light being ideal. Dense shade might put a damper on bud count, and scorching midday summer sun can prove equally challenging.
The color-soaked hybrids prefer a well-drained, porous soil. Sandy soils are simpatico if you add fertilizer; clay soils can be tricky. Excessive nitrogen will encourage a bounty of leaves and long stems, squelching bud production. In a fertile soil, no further food is needed. Before frost threatens in autumn or early winter, whisk them indoors to rest the tubers after their labors.
Plant with dahlias and gladiolus for a cutting garden that will last until frost. Calla lilies are dangerous to pets if any part of the plant is ingested. Are calla lillies invasive? Calla lillies can be invasive if conditions are right. Learn more: Where is this species invasive in the US? Why Grow Calla Lilies? Gardeners are slipping callas, which originated in South Africa, into garden beds and containers for the following reasons:.
Achieving headline status for its fiery molten-lava shades bleeding into saffron in a graceful sheath, it began the trend for color-soaked callas, with more-recent newsworthy cultivars drawing out the drum roll with lingering blossoms and increased bud count.
What makes it fab, according to its creator—Kapiteyn in the Netherlands—is the perfectly spiraling round spathe shape and its high production count of riveting flowers on long, strong stems.
A buxom beauty, it was developed for cut flowers or large urns. And the mixed messages of bicolor spathes are the trait responsible for sending a thrill through the hybridizers at Sande B. Quick View. Calla Lily Aethiopica White Giant. More Info Add to Wishlist Your wishlist has been temporarily saved. Out Of Stock!
We will notify you when this product becomes available. Available on:. Out for Season. Calla Lily Bulbs Garnet Glow. With a remarkably uniform growth habit, this beauty is a terrific choice for groupings and planting en masse. There are loads of blooms that hold up well in a vase. Perennial to zone 8, the tubers should be overwintered indoors in cooler zones. Calla Lily Bulbs Bridal Bliss. Just as well-suited to containers as it is to the garden. Dig up and overwinter the tubers indoors in cooler zones.
A gorgeous annual everywhere else! Calla Lily Bulbs Captain Reno. Calla Lily Bulbs Crystal Blush. Actually, there are several: exceptional flower form, day vase life, and dozens of blooms per plant. Calla Lily Bulbs Super Mac. The Spotted Leaf White Calla takes the best traits of the popular Zantedeschia albo maculata and makes it stronger and more floriferous. Perennial to zone 8, but plants perform well in cooler zones, too. Simply overwinter the bulbs indoors until after the fear of frost has past.
Naturally pest-resistant! Calla Lily Bulbs Regal. We do, too. Silky, sleek foliage of lightly-variegated green creates a stunning backdrop for other flowers in the garden, adding season-long interest. Overwinter calla tubers indoors in areas cooler than zone 8 and plant outdoors after the last frost in spring.
Naturally pest and disease-resistant. Calla Lily Bulbs Mercedes. With impeccable form and lasting color, this is a calla that needs to be seen to be believed. Plant in a sunny, well-drained spot or in your favorite container.
Calla Lily Bulbs Pink Melody. Keep well-watered while the foliage is growing for best results, and make sure they get plenty of warm sunshine. Calla Lily Bulbs Odessa.
Elegant tall, long-stemmed ebony blooms open atop glossy emerald green foliage lightly spotted with white. Calla lilies have a wide range of climate tolerances, except extreme heat and cold. They need at least 6 hours of sun to flower, more shade results in more foliage but will decrease flowering. Calla lily are easy to grow and do not generally require too much attention.
They are ideal for pots, boarders and is an excellent garden plant when planted en masses with different colours. They make excellent cut flowers and come in a large variety of colours. Plant in late Winter to Spring, once the last frost has passed. A rich, moist soil, with plenty of organic matter added is required. Well broken down animal manure, blood and bone or a complete fertiliser for flowering plants can be worked into the soil before planting.
Soil needs to be well drained as the rhizome will rot if kept too wet. Plant in full sun to part shade, It likes the morning sun.
0コメント