Life Span
Perennial
Annual or Biennial
Type
Flowering Plants
Vegetable
Origin
Southwestern United States, California
Europe
Types
-
Brassica rapa subsp. pekinensis
Brassica rapa subsp. chinensis
Brassica rapa var. rapifera
Brassica rapa subsp. nipposinica
Brassica rapa subsp. perviridis
Number of Varieties
405
0
40000
👆🏻
Habitat
Dry areas, meadows
-
USDA Hardiness Zone
4-96-9
0
99
👆🏻
AHS Heat Zone
9-1
9-3
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
61.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Crimson
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green, Light Green
Leaf Color in Summer
Green
-
Leaf Color in Fall
Green
-
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oblong
Obovate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer, Late Summer
Spring, Late Spring, Early Summer, Summer, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Planting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Requires watering in the growing season, Water Deeply, Water when soil is dry
Do Not over Water, Water in morning to avoid prompting diseases
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Neutral
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
No pruning needed in the early stages, Prune to stimulate growth, Remove damaged leaves, Remove dead leaves, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount
All-Purpose Liquid Fertilizer
Pests and Diseases
Insects
Red blotch
Plant Tolerance
Drought
Drought
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
Coarse
Foliage Sheen
Matte
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds
Aphids, Flea beetles, white worms
Allergy
Asthma
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Burns, Snakebite, Stomach aliments
Antirheumatic, Resolvent
Part of Plant Used
Whole plant
Leaves, Stem
Other Uses
Used as Ornamental plant
For making oil
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Mixed Border, Rock Garden / Wall, Wildflower
Container, Edible, Herb / Vegetable
Botanical Name
PENSTEMON eatonii
BRASSICA rapa
Common Name
Firecracker Penstemon
Bok Choy, Broccoli Raab, Chinese Cabbage, Choy Sum, Field Mustard, Pak Choi, Tatsoi, Turnip
In Hindi
Firecracker penstemon
Bok Choy
In German
Kracher penstemon
Bok Choy
In French
Firecracker penstemon
Bok Choy
In Spanish
Penstemon del petardo
Bok Choy
In Greek
πυροτέχνημα penstemon
Bok Choy
In Portuguese
Penstemon do foguete
Bok Choy
In Polish
petarda penstemon
Bok Choy
In Latin
Firecracker Persicaria
Bok Choy
Kingdom
Plantae
Plantae
Phylum
-
Tracheophyta
Class
-
Magnoliopsida
Order
Lamiales
Brassicales
Family
Scrophulariaceae
Brassicaceae
Genus
Penstemon
Brassica
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
2501
1
27800
👆🏻