Caladiums like dappled or moderate shade, while some newer types will withstand full sun for a few hours each day. Caladiums should be planted once the soil temperature has reached 70 degrees, which is normally late April to early May in central Texas. In well-draining soil, plant tubers 1 1/2 to 2 inches deep and 12 to 18 inches apart. Water frequently to keep the soil equally moist, and treat with a soluble fertilizer on a regular basis to encourage foliage growth.
When should I plant caladium bulbs in Texas?
A: Caladium bulbs should not be planted until after May 1st. By that time, the soil temperature should have reached 70 degrees. Caladium plants can be planted if you want to get your caladiums up and running as soon as feasible. These are already a few inches tall after being raised in a nursery. Remember that caladiums cannot withstand low temperatures, so even if you use these transplants and plant them before May 1st, you risk losing them.
What month do you plant caladium bulbs?
Caladiums can be bought as potted plants or as tubers that are dormant. Their size varies according to the variety. Each tuber, for the most part, has a huge bud that is often flanked by smaller ones. Many gardeners find it beneficial to take off the giant bud with a knife after planting caladium bulbs to make it simpler for these smaller buds to sprout. Of course, this is a personal choice that will have no effect on the general growth of your caladiums.
Caladium bulbs require little effort to plant. They can be planted immediately in the garden in the spring or seeded four to six weeks ahead of the usual frost date inside. Planting tubers too early outside will cause them to rot, so soil temperature is crucial.
These plants prefer moist, well-drained soil and prefer to be partially shaded. Caladiums should be planted 4 to 6 inches (10 to 15 cm) deep and 4 to 6 inches (10 to 15 cm) apart when planted.
If you’re growing caladiums indoors, keep them warm and bright until the weather warms up enough to move them outside. The knobs, or eye buds, of caladium tubers should face up and be planted one to two inches (2.5 to 5 cm) deep. While certain kinds may be difficult to recognize, those that are planted upside down will nonetheless develop, albeit at a slower rate.
Should I soak caladium bulbs before planting?
It’s critical to keep the soil warm and moist. Wait until the soil temperature rises around the first part of June before planting caladium bulbs immediately outside. Soak the bulb for about an hour in warm water before planting it bumpy side up, 2 inches deep in the garden.
How far apart should caladium bulbs be planted?
- After all threat of frost has gone and daytime temperatures remain over 70 degrees, plant caladium bulbs outside. Caladiums are tropical plants that cannot withstand frost and emerge only when the soil temperature is warm.
- Turn the soil under to a depth of 8 inches to prepare the bed. Remove any clumps of grass or stones using a rake.
- Most plants thrive in soils that have been treated with organic materials. Compost is a beautiful form of organic matter that can be added to your planting area at any time and has a nice mix of nutrients and a perfect pH level. If compost isn’t available, top dress the soil with 1-2 inches of organic mulch after planting, which will start to decompose into compost. A soil test after the growth season will reveal what soil amendments are required for the next season.
- Bulbs should be spaced 8-12 inches apart. Because these are the growth points, the knobby side should be facing up.
- Before all risk of frost has passed, caladium bulbs can be started inside 6-8 weeks. Because they need warm soil to emerge, consider using a heat mat.
How to Grow
- During the caladium growing season, keep weeds at bay. Weeds compete with plants for water, space, and nutrients, so keep them under control by cultivating them regularly or using a mulch to keep their seeds from developing.
- Mulches also aid in the retention of soil moisture and the maintenance of consistent soil temperatures. For annuals, an organic mulch of crushed leaves gives the bed a natural aspect while also improving the soil as it decomposes. Mulches should never be placed on a plant’s stems to avoid decay.
- During the growing season, keep elephant ear plants well-watered, especially during dry spells. During the growing season, plants require roughly 1 inch of rain every week. To see if you need to add water, use a rain gauge. Watering with a drip or trickle system that provides water at a low pressure at the soil level is ideal. To avoid disease concerns, water early in the day using overhead sprinklers so the foliage has time to dry before nighttime. Maintain a moist but not saturated soil.
- A mild fertilizer can be administered after new growth appears. To avoid burn harm, keep granular fertilizers away from the plant crown and foliage. Slow-release fertilizers should be applied at modest rates, as greater rates may induce root rot. A granular fertilizer applied every 2-3 weeks is beneficial to caladiums.
- Pests and illnesses should be kept an eye on caladiums. For pest management recommendations in your area, contact your local Cooperative Extension Service.
- To retain the plant’s strength, many gardeners cut any flower stalks that grow.
- Caladiums are only hardy to zone 10 in the United States. Dig up the bulbs with the soil and tops adhering to them in other spots in the fall before frost or when the foliage begins to die back. Allow bulbs to dry indoors, away from direct sunlight and with plenty of air movement. When the leaves are readily pulled away from the bulb, shake off the soil but do not wash them. Dry peat moss, perlite, or vermiculite can be used to store bulbs. Avoid storing the bulbs below 60 degrees Fahrenheit.
How long do caladium bulbs take to emerge?
Caladium bulbs can take anywhere from two to twelve weeks to germinate, depending on the variety you choose. They thrive in hot temperatures, therefore the warmer the ground and air temperature when you plant them, the faster they will grow.
Do caladium bulbs come back every year?
Caladium plants (Caladium spp.) grow from bulbs and are hardy in USDA zones 9 and 10. The bulbs will return each year in warmer climates. Because cold weather can easily destroy the tubers, you can dig them up for the winter and transplant them in the spring.
Do caladiums like sun or shade?
Caladiums thrive in shaded areas of the yard and garden. They thrive in full to partial shade in southern climates. Most caladiums can be grown in the sun in northern climates if they are given enough water and their leaves are shaded during the warmest portion of the day.
How do you make caladiums Fuller?
The tubers can be found in nurseries and garden centers, as well as on a number of websites dedicated to the plant. Tubers are available in four different sizes:
Each tuber contains a bigger center bud surrounded by two or more secondary buds, regardless of size. Here’s the part that makes rookie growers squirm: Before planting your elegant leaf caladium bulbs, snip away the huge central bud with a sharp knife. This will promote the development of secondary buds, resulting in a fuller yet equally vibrant plant.
Fancy leaf caladiums are heavy feeders and require loose, slightly acidic soil for good root growth. To meet the first two criteria, dig in lots of peat or pine bark before planting, and provide a good dosage of 10-10-10 fertilizer (1 tbsp/plant). Every four weeks after that, apply a 5-10-10 or comparable high potash and potassium fertilizer till fall. Depending on size, space your tubers 2 to 8 inches (5-20 cm) apart.
The tubers of a fancy leaf caladium require warm soil, at 70 degrees F (21 degrees C). The bulbs will perish if the soil is too chilly. As a result, many growers choose to start their tubers inside in peat moss or light potting soil in small pots or flats. Cover the tuber with about 2 inches (5 cm) of soil, rough side up.
Leaves will take three to six weeks to appear, so be patient. As long as the outdoor soil is warm, the bulbs can be transplanted outside at any time after that.
During the season, water thoroughly and make sure the ground does not grow too hard and dry. When the soil feels dry to the touch, water it thoroughly.
Fancy leaf caladiums are ideal for sections of your yard that are extremely shaded, and their vibrant colors and broad leaves complement ferns and hostas. If you have to put them in direct sunlight, make sure it’s the kind that comes early in the morning. They’ll repay you with a colorful tropical treat if you keep them well hydrated and fertilized.
How long will caladium bulbs last?
A bulb usually lasts approximately a year after it is removed from the ground before it starts to die. Bulbs store carbohyrates for the following year’s growth, but this stored energy depletes with time. I suppose it’s worth a shot to see if you can get yours to grow. Within 3-4 weeks of planting, you’ll know whether they’ll grow or not.

