Gardening with Annuals


What is An Annual?
Planting Annuals
Soil Preparation
After Planting Care
Common Flowers
Common Uses
Specific Uses
Specific Locations


Hort Corner Videos

Learn more about annuals in these Hort Corner videos.

 

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Sweet pea
Scientific Name Lathyrus odoratus

Height 6 feet
Fragrance Yes
Flower Color(s) Purple/Pink/White
Additional Notes Keep cutting to promote flowering. Sow in mid-March to mid-April. Keep moist during growing.

 

Morning glory
Scientific Name Ipomoea tricolor

Height 10 to 20 feet
Fragrance No
Flower Color(s) Blue
Additional Notes 'Heavenly Blue' is most common cultivar.

 

Morning glory
Scientific Name Ipomoea purpurea

Height 10 to 15 feet
Fragrance No
Flower Color(s) Purple, red, white, violet, blue
Additional Notes Soak seeds overnight before planting. Sow when ground is warm in mid-April.

 

Moonflower
Scientific Name Ipomoea alba

 

Height 10 to 30 feet
Fragrance Yes
Flower Color(s) White
Additional Notes Sow in May after soaking seeds overnight, or notching seeds. Flowers bloom in the evening, hence the name.

 

Cypress Vine
Scientific Name Ipomoea quamoclit

 

Height 10 to 20 feet
Fragrance No
Flower Color(s) Red, orange or white tubular flowers
Additional Notes Treat like morning glories.

 

Cardinal climber
Scientific Name Ipomoea x multifida

 

Height 10 to 20 feet
Fragrance No
Flower Color(s) Red
Additional Notes Will attract hummingbirds and butterflies. Treat like morning glories.

 

Sweet potato vine
Scientific Name Ipomoea batatas

Height 6 to 10 feet
Fragrance No
Flower Color(s) Not grown for flowers
Additional Notes 'Blackie' is a dark leafed cultivar; 'Tricolor' has shades of pink, cream, green; 'Chartreuse' is lime-green. Used for baskets and containers and also as a ground cover.

 

Spanish flag
Scientific Name Ipomoea x lobata

 

Height 15 to 20 feet
Fragrance No
Flower Color(s) Yellowish orange with hints of red
Additional Notes Flowers shaped like freesia. Purplish stems. Plant in May after frost. Soak seeds before planting.

 

Canary bird vine
Scientific Name Tropaeolum peregrinum

 

Height 5 to 10 feet
Fragrance No
Flower Color(s) Yellow
Additional Notes Prefers cool temperatures. Tolerates some shade. Plant after frost.

 

Love-in-a-puff
Scientific Name Cardiospermum halicacabum

 

Height 10 feet
Fragrance No
Flower Color(s) Not important. One-inch seedpod is tri-lobed and balloon-like.
Additional Notes Sow in peat pots in March. Transplant in May. Can reseed.

 

Scarlet runner bean
Scientific Name Phaseolus coccineus

Height 8 to 10 feet
Fragrance No
Flower Color(s) Red with touches of orange. Also white, pink, bicolor.
Additional Notes Attracts hummingbirds. Beans are edible when picked young. Seeds start out bright red then turn blue-black.

 

Hyacinth bean
Scientific Name Lablab purpureus

Height 15 to 20 feet
Fragrance No
Flower Color(s) Purplish-pink. Seed pods are purple.
Additional Notes Sow seeds indoors and plant in early May for quick start. One of the easiest to grow.

 

Black-eyed susan vine
Scientific Name Thunbergia alata

Height 5 to 10 feet
Fragrance No
Flower Color(s) Yellow, orange, white with dark purple center
Additional Notes Sow seeds early to transplant in May.

 

Cup and saucer vine
Scientific Name Cobaea scandens

 

Height 20 to 30 feet
Fragrance Yes
Flower Color(s) Violet-purple, white. Attractive green calyx looks like a saucer.
Additional Notes Flowers not fragrant until fully open. Sow in February for transplanting in May.

 

Japanese hop
Scientific Name Humulus japonicus

Height 20 to 35 feet
Fragrance No
Flower Color(s) Not important. Green papery seed pod from female flowers
Additional Notes Self seeds. Plant seeds in mid-April. Drought and heat resistant.

 

Nasturtium
Scientific Name Tropaeolum majus

Height up to 10 feet
Fragrance No
Flower Color(s) Orange, red, yellow, white, bicolors
Additional Notes Flowers are edible. Prefers loose soil. Don't fertilize. Doesn't like to be transplanted. Used in baskets and as a ground cover.

 

[What Is an Annual?] [Planting Annuals] [Soil Preparation] [After Planting Care] [Common Flowers] [Common Vines] [Specific Uses] [Specific Locations] [Video] [Credits]