Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
North-Central United States, Central United States, Western United States, Texas
Southeastern United States, Mexico, Caribbean, Central America
Types
-
Guaiacum officinale
Number of Varieties
703
0
40000
👆🏻
Habitat
Cultivated Beds, Sandy areas, Sunny Edge
Coastal Regions, Dry and Young forest Heaths, Thickets, Woodlands
USDA Hardiness Zone
3-910-15
0
99
👆🏻
AHS Heat Zone
9-1
12-10
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
H1, H2
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
50.80 cm300.00 cm
0
3900
👆🏻
Minimum Width
35.60 cm370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White
Purple, Violet, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Yellow, Red
Leaf Color in Spring
Light Green, Gray Green
Green, Olive
Leaf Color in Summer
Gray Green
Green, Dark Green
Leaf Color in Fall
Gray Green
Green, Olive
Leaf Color in Winter
-
Olive
Shape
Leaf Shape
Oval to egg shaped
Egg-shaped
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Very Slow
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Early Spring, Spring, Late Winter, Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Salt
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Cuttings, Divison, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Keep the Soil well drained, Needs a lot of moisture in the growing season, Reduce watering in winter
Requires watering in the growing season
In Summer
Lots of watering
Consistently
In Spring
Moderate
Average Water
In Winter
Average Water
Moderate
Soil
Soil pH
Neutral, Alkaline
Neutral, Alkaline
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune to stimulate growth
Fertilizers
All-Purpose Liquid Fertilizer
Fertilize three times a year
Pests and Diseases
Red blotch
fungus, Mealybugs, Scale, Spider mites
Plant Tolerance
Drought
Drought, Salt
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Bumblebees
Birds, Butterflies
Allergy
-
Skin irritation
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
-
Part of Plant Used
Root
Bark, Sap
Other Uses
Chewing
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Container, Feature Plant, Foundation, Mixed Border, Rock Garden / Wall, Tropical
Botanical Name
PENSTEMON grandiflorus 'Prairie Snow'
GUAIACUM sanctum
Common Name
Large Beardtongue, Prairie Snow Beardtongue
Holy-wood, Lignum Vitae
In Hindi
Large Beardtongue
Lignum Vitae
In German
Large Beardtongue
Lignum Vitae
In French
Large Beardtongue
Lignum Vitae
In Spanish
Large Beardtongue
Palo santo
In Greek
Large Beardtongue
Lignum Vitae
In Portuguese
Large Beardtongue
pau-santo
In Polish
Large Beardtongue
Lignum Vitae
In Latin
Large Beardtongue
lignum Vitae
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Sapindales
Family
Scrophulariaceae
Zygophyllaceae
Genus
Penstemon
Guaiacum
Clade
Angiosperms, Asterids, Eudicots
-
Tribe
-
-
Subfamily
-
-
Number of Species
2503
1
27800
👆🏻