giant desert candle (Eremurus robustus) plant — close-up photo
Moderate to grow

giant desert candle

Eremurus robustus

Overview

The giant desert candle, also known as Eremurus robustus, is an amazing plant native to Kazakhstan, Turkey, and Iran. Its common name comes from its tall burgundy spike which gives it a unique and eye-catching appearance. These plants can grow up to a staggering 8 feet tall and can be seen in wide dry fields, wowing even the most experienced gardeners. Its creamy white flowers add an even more impressive touch and the petals are a perfect backdrop to the delicate pink blush at the tips. With its unique colors and shape, the giant desert candle is a perfect addition to any garden.

Care Guide

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Watering

Giant desert candle (Eremurus robustus) should be watered deeply once every 1 to 2 weeks primarily during the growing season. Water should be applied slowly and evenly directly to the ground around the center of the plant, avoiding the foliage. It is important to keep water off the plant's large bloom stalks to avoid rotting. During the winter months, water the plant only if the soil feels completely dry and moisture is not available naturally, such as during a prolonged drought. When it is time to water, use approximately 1 gallon of water per plant. Make sure the soil is evenly moist, but not soggy, for optimal health.

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Light

Giant desert candle (Eremurus robustus) requires a good amount of sunlight to ensure healthy growth. The plant prefers direct sunlight in the morning and dappled light the rest of the day, especially during the hottest parts of the day. When young, the giant desert candle should receive 5 to 6 hours of direct sunlight per day, and as it matures it can tolerate more light with up to 9 or 10 hours per day. Direct afternoon sunlight should be avoided, as this can burn and damage the foliage of the plant. Varied light exposure also helps the plant to stay healthy and develop vibrant blooms.

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Temperature

Hardiness zone 5-8.

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Pruning

Giant desert candle (Eremurus robustus) should be pruned after flowering, typically in the fall. Light pruning should be done in late summer after the blooms begin to fade. This will help encourage re-blooming and produce more flowers in the coming year. Cut off any dead or damaged stems as well as those that have finished blooming. Prune back the stem tips slightly but leave some of the foliage to provide energy to the plant. Avoid taking off too much foliage as this can reduce flower production. Regular pruning can also help to keep the plant’s size and shape attractive and encourage more blooms.

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Propagation

Division, Seed Propagation, Cutting

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