• Photo of Ocimum basilicum (Ocimum basilicums)

Plant Profile: Ocimum basilicum

Taxonomy: Ocimum basilicum

Names

Basil, Saint Joseph's Wort, Sweet Basil, Thai Basil

  • Photo of Ocimum basilicum (Ocimum basilicums)

Phonetic Spelling:OH-sih-mum bass-IL-ih-kum

Genus:Ocimum

Species:basilicum

Family:Lamiaceae

Ocimum basilicum, commonly known as sweet basil, belongs to the mint family and is indigenous to the tropical areas of Africa and Asia. This herb thrives in full sunlight and requires moist, well-drained soil for optimal growth.

There are ornamental varieties that feature striking purple leaves, making them ideal for container gardening. Planting them in a garden bed or window box can create a beautiful contrast in foliage colors. Additionally, miniature varieties are available, which are perfect for creating mass plantings along the borders of flower beds.

Transplanting sweet basil is straightforward and should be done after the last frost has passed. To encourage a bushier growth habit, it is advisable to pinch off the tips of long stems and any flower buds. The leaves are not only edible but also enhance the flavor of soups, stews, and various meat dishes.

Common issues with sweet basil include pests such as aphids and Japanese beetles, as well as diseases like Fusarium wilt.

 

Ocimum basilicum Feature Summary

Ocimum basilicum Image Gallery

Tags

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#fragrant
#white
#full sun tolerant
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#perennial
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#herb garden
#moist soil
#fast growing
#herbaceous
#well-drained soil
#perennial flowers
#summer flowers
#bracts
#herbaceous perennial
#edible landscaping
#small flowers
#annual flowers
#purple stems
#summer interest
#edible garden
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#naturalized area
#green leaves
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#forb
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#herbaceous annual
#perennials
#ascending
#partial shade tolerant
#container vegetable garden
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#non-toxic for dogs
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#lawns
#container plants

Similar Plants

Ocimum basilicum is often confused with:

Ocimum basilicum Feature Summary

Attributes
Tropical Africa and Asia
Leaves and flowers in tea, as flavoring
Perennial
Annual
Fragrance
Flowers
The small white flowers are lipped in shape. They are arranged in whorled racemes with bracts at the base. Some ornamental varieties have spikes of showy purple flowers. Blooms in late summer.
Pink
Purple/Lavender
White
< 1 inch
Leaves
Leaves are bright green and are attached directly to the base of the stem. Simple leaves and opposite in arrangement at right angles to each other. Ovate in shape with smooth margins and slight bulging between the veins. 1/2"-3" in length. Very fragrant. Ornamental varieties may have purple or variegated leaves.
Green
White
Variegated
Purple/Lavender
Elliptical
Ovate
1-3 inches
1-3 inches
Stem
Stem is thin and hollow and has a branching tendency. The cross-section is square in shape.
Purple/Lavender
Green
Smooth (glabrous)
Whole Plant Traits
Perennial
Annual
Edible
Herbaceous Perennial
Herb
Ascending
Medium
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Good Drainage
Moist
Coastal
Mountains
Piedmont
Landscape
Edible Garden
Container
Lawn
Naturalized Area

Ocimum basilicum Attributes

Ocimum basilicum: Country Or Region Of Origin

Tropical Africa and Asia

Ocimum basilicum: Particularly Resistant To (Insects/Diseases/Other Problems)

Rabbits and deer

Ocimum basilicum: Edibility

Leaves and flowers in tea, as flavoring

Ocimum basilicum: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Ocimum basilicum: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Ocimum basilicum: Play Value

Attractive Flowers
Attracts Pollinators
Buffer
Colorful
Defines Paths
Easy to Grow
Edible fruit
Fragrance
Pieces Used in Games
Screening
Shade
Sound
Textural
Wildlife Cover/Habitat
Wildlife Food Source
Wildlife Larval Host
Wildlife Nesting
Wind Break
Wind Shimmer

Ocimum basilicum Flowers

Ocimum basilicum: Flower Description

The small white flowers are lipped in shape. They are arranged in whorled racemes with bracts at the base. Some ornamental varieties have spikes of showy purple flowers. Blooms in late summer.

Ocimum basilicum: Flower Color

filter_vintage
Pink
filter_vintage
Purple/Lavender
filter_vintage
White

Ocimum basilicum: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Ocimum basilicum: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Ocimum basilicum: Flower Bloom Time

Winter
Spring
Summer
Fall

Ocimum basilicum: Flower Petals

2-3 rays/petals
4-5 petals/rays
6 petals/rays
7 - 20 petals/rays
asymmetrical petals
Bracts
Colored Sepals
fused petals
more than 20 petals/rays
Tepals

Ocimum basilicum: Flower Shape

Bell
Cross
Crown
Cup
Dome
Funnel
Irregular
Lipped
Radial
Saucer
Star
Trumpet
Tubular
Urn
Wheel

Ocimum basilicum: Flower Size

1-3 inches
3-6 inches
< 1 inch
> 6 inches

Ocimum basilicum Leaves

Ocimum basilicum: Leaf Description

Leaves are bright green and are attached directly to the base of the stem. Simple leaves and opposite in arrangement at right angles to each other. Ovate in shape with smooth margins and slight bulging between the veins. 1/2"-3" in length. Very fragrant. Ornamental varieties may have purple or variegated leaves.

Ocimum basilicum: Leaf Color

spa
Green
spa
Purple/Lavender
spa
Variegated
spa
White

Ocimum basilicum: Leaf Type

Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple

Ocimum basilicum: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Ocimum basilicum: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Ocimum basilicum: Leaf Margin

Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate

Ocimum basilicum: Hairs Present

No
Yes

Ocimum basilicum: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Ocimum basilicum: Leaf Feel

Fleshy
Glossy
Leathery
Papery
Prickly
Rough
Rubbery
Slippery
Smooth
Soft
Velvety
Waxy

Ocimum basilicum: Leaf Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long-lasting
Showy

Ocimum basilicum: Leaf Width

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Ocimum basilicum Stem

Ocimum basilicum: Stem Description

Stem is thin and hollow and has a branching tendency. The cross-section is square in shape.

Ocimum basilicum: Stem Color

grass
Green
grass
Purple/Lavender

Ocimum basilicum: Stem Is Aromatic

No
Yes

Ocimum basilicum: Stem Cross Section

Angular
Oval
Round
Square

Ocimum basilicum: Stem Surface

Corky Ridges
Covered with a powdery bloom (glaucous)
Dull
Hairy (pubescent)
Polished
Smooth (glabrous)

Ocimum basilicum Whole Plant Traits

Ocimum basilicum: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Ocimum basilicum: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Ocimum basilicum: Growth Rate

Slow
Medium
Rapid

Ocimum basilicum: Maintenance

Low
Medium
High

Ocimum basilicum: Texture

Fine
Medium
Coarse

Ocimum basilicum Cultural Conditions

Ocimum basilicum: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Ocimum basilicum: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Ocimum basilicum: Available Space To Plant

12 inches-3 feet
12-24 feet
24-60 feet
3 feet-6 feet
6-feet-12 feet
Less than 12 inches
more than 60 feet

Ocimum basilicum: NC Region

Coastal
Mountains
Piedmont

Ocimum basilicum: USDA Plant Hardiness Zone

thermostat
10a
thermostat
10b

Ocimum basilicum Landscape

Ocimum basilicum: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Ocimum basilicum: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland