Yucca declinata, the horizontal yucca, is a striking succulent with stiff, sword-shaped leaves forming a rosette. It produces tall flower stalks with creamy white blooms.
At-a-glance light, water, soil, and growing conditions from plant data
Full sun to partial shade
75% intensity
Prefers bright, direct sunlight for best growth and flowering, but can tolerate some shade.
Allow soil to dry out completely between waterings
25% intensity
Yucca declinata is very drought tolerant and susceptible to root rot.
Well-drained; Sandy; Loamy; Gritty
50% intensity
Warm to moderate
50% intensity
Prefers temperatures between 18-25°C during the growing season. Can tolerate cooler temperatures in winter (down to 5°C) as long as it is dry.
Low
25% intensity
Fertilize sparingly only during the growing season.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
Non-toxic
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Allow the soil to dry out completely between waterings. Yucca declinata is drought-tolerant and prone to root rot if overwatered. Water thoroughly when the top several centimeters of soil are dry, ensuring good drainage.
Reduce watering significantly during winter dormancy.
Pruning is primarily for shaping or removing dead/damaged foliage. Cut back any yellow or brown leaves at their base.
If the plant becomes too tall or leggy, you can cut the main stem back to encourage new growth from lower nodes or the base.
Propagate Yucca declinata through offsets or stem cuttings. Offsets can be carefully separated from the mother plant when they have developed their own root system.
Stem cuttings should be taken from healthy stems, allowed to callus for a few days, and then planted in well-draining soil.
Repot Yucca declinata only when it becomes root-bound, typically every 2-3 years. Choose a pot that is only slightly larger than the current one. Use a well-draining potting mix, such as a cactus or succulent blend.
Repot in spring before active growth begins.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Asparagales |
| Family | Asparagaceae |
| Genus | Yucca |
| Species | Yucca declinata |
Similar in genus Yucca
Answers based on plant encyclopedia data
