Life Span
Annual
Perennial
Type
Perennial
Perennial
Origin
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada, Mexico
-
Types
Shrub
'Bees' Sunset, Buttercup, Nobilis
Number of Varieties
7070
0
40000
👆🏻
Habitat
Sunny Edge
Damp shores, Marshy ground
USDA Hardiness Zone
3-96-9
0
99
👆🏻
AHS Heat Zone
8-1
10-5
Sunset Zone
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
60.00 cm111.80 cm
0
3900
👆🏻
Minimum Width
45.70 cm71.10 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple, Pink, Rose, Violet
Orange, Orange Red
Flower Color Modifier
-
Bicolor
Fruit Color
Red, Green, Light Green
-
Leaf Color in Spring
Green
Green, Gray Green
Leaf Color in Summer
Green
Gray Green
Leaf Color in Fall
Green
Gray Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Lance shaped
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Summer, Late Summer, Early Fall
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Root Division
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires regular watering
occasional watering once established, Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
Coarse
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds
Butterflies
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
Improve skin condition, Skin cleanser, Treatment of Dark Spots
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers
Whole plant
Other Uses
Showy Purposes
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Mixed Border, Wildflower
Cutflower, Feature Plant, Mixed Border, Rock Garden, Wall
Botanical Name
PHYSOSTEGIA
KNIPHOFIA 'Alcazar'
Common Name
Physostegia
Red Hot Poker
In Hindi
Physostegia
Red Hot Poker
In German
Physostegia
Red Hot Poker
In French
Physostegia
Red Hot Poker
In Spanish
Physostegia
Red Hot Poker
In Greek
Physostegia
Red Hot Poker
In Portuguese
Physostegia
Red Hot Pôquer
In Polish
Physostegia
Red Hot Poker
In Latin
Physostegia
Hot Rubrum Poker
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Lamiales
Liliales
Family
Lamiaceae
Liliaceae
Genus
Physostegia
Kniphofia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
Asphodeloideae
Number of Species
6572
1
27800
👆🏻