Yucca gloriosa

Adam's Needle / Spanish Bayonet

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Compact evergreen shrub with stiff, sword-shaped leaves and terminal spines; produces tall white flower spikes in summer.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com 2-3 in Out of Stock $28.00 Buy
info

Plant Details

Common Name Adam's Needle / Spanish Bayonet
Family Asparagaceae
Genus Yucca
Species Gloriosa
Origin Southeastern United States, Caribbean
Blooming Foliage plant, blooms in summer on mature specimens
Leaf Color Grey-green to blue-green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining cactus/succulent mix with coarse sand or pumice for optimal root aeration

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Watering

Allow soil to dry completely between waterings; significantly reduce in winter to prevent root rot

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Sunlight & Care

Full sun preferred indoors near south window; tolerates partial shade but may reduce blooming

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Fertilization

Low nutrient needs, apply diluted fertilizer every 4 weeks during active growing season only

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Pruning

Remove dead basal leaves carefully; cut flower spikes after bloom; avoid damaging central stem

Pest Control Mealybug Scale Insect Spider Mite

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
50° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
25% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
800 – 65000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 3500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
15% – 45%
% volumetric
Water content in the growing medium
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Soil EC
350 – 2000
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Yucca gloriosa? Select a symptom to diagnose and fix the issue.

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