Life Span
Perennial
Annual and Perennial
Type
Fruit
Tender Perennial
Origin
Southern Asia, India, Melanesia, Australia
Southern Europe, Mediterranean
Types
etrog
Erysimum cheiri
Habitat
Mediterranean region, Subtropical climates, Tropical regions
gardens, Grassland, Prairies
USDA Hardiness Zone
9-11
7-9
Sunset Zone
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
4, 5, 6, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Mat-forming
Flower Color
White, Purple
Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green, Dark Green
Gray Green
Leaf Color in Summer
Green, Dark Green
Gray Green
Leaf Color in Fall
Green, Dark Green
Gray Green
Leaf Color in Winter
Light Green
Light Green
Leaf Shape
Ovate elongated
Linear
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Spring, Winter, Late Winter, Indeterminate
Spring, Late Spring, Early Summer, Summer, Late Summer, Early Fall
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Transplanting
Seedlings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Requirements
Needs less watering
Allow soil to be completely dry in between waterings, Water Deeply, Water less during winter
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
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
Cut or pinch the stems, Do not prune during shooting season, Prune if you want to improve plant shape, Prune prior to new growth, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
No fertilizers needed
Pests and Diseases
Aphids, Citrus foot rot, Leafminers, Red blotch
fungus, Insects, Red blotch
Plant Tolerance
Drought
Drought
Flower Petal Number
Single
Single
Fragrant Bark/Stem
Yes
No
Foliage Texture
Medium
Fine
Foliage Sheen
Glossy
Matte
Attracts
Birds, Butterflies
Bees, Birds, Butterflies
Allergy
Mild Allergen
Skin irritation
Aesthetic Uses
Showy Purposes
Beautification, Showy Purposes
Beauty Benefits
Brightens the skin complexion, Good for skin and hair
-
Environmental Uses
Air purification
Air purification
Medicinal Uses
Antibiotic, Antidote, Pulmonary afflictions, Recovering internal injuries
-
Part of Plant Used
Fruits, Leaves
Whole plant
Other Uses
Used as a nutritious food item, Used As Food, Used for its medicinal properties
Showy Purposes
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Edible, Feature Plant, Fruit / Fruit Tree, Hedges, Houseplant, Shade Trees, Topiary / Bonsai / Espalier, Tropical
Alpine, Container, Edging, Foundation, Groundcover, Mixed Border, Rock Garden / Wall
Botanical Name
CITRUS medica
ERYSIMUM linifolium
Common Name
Citron
Wallflower
In German
Zitrone
Goldlack
In French
Citron
giroflée and ravenelle
In Greek
Κίτρο
Μη χορεύων θεατής χορού
In Portuguese
cidra
goivo-amarelo
In Latin
Chron
Wallflower
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Sapindales
Brassicales
Family
Rutaceae
Brassicaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
Aurantioideae
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Season and Care of Citron and Wallflower
Season and care of Citron and Wallflower is important to know. While considering everything about Citron and Wallflower Care, growing season is an essential factor. Citron season is Spring, Summer, Fall and Winter and Wallflower season is Spring, Summer, Fall and Winter. The type of soil for Citron is Clay, Loam, Sand and for Wallflower is Loam, Sand while the PH of soil for Citron is Acidic, Neutral and for Wallflower is Neutral, Alkaline.
Citron and Wallflower Physical Information
Citron and Wallflower physical information is very important for comparison. Citron height is 240.00 cm and width 180.00 cm whereas Wallflower height is 30.50 cm and width 30.50 cm. The color specification of Citron and Wallflower are as follows:
Citron flower color: White and Purple
Citron leaf color: Green and Dark Green
Wallflower flower color: Blue and Lavender
- Wallflower leaf color: Gray Green
Care of Citron and Wallflower
Care of Citron and Wallflower include pruning, fertilizers, watering etc. Citron pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Wallflower pruning is done Cut or pinch the stems, Do not prune during shooting season, Prune if you want to improve plant shape, Prune prior to new growth and Remove deadheads. In summer Citron needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Wallflower needs Lots of watering and in winter, it needs Average Water.