Shockwave
Shockwave

SHOCKWAVE

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12"
Bloom size: 12"
4½'
Plant height: 4½'

12” bright and bold magenta purple blooms. Petals on this one are wild and crazy. Held on a strong 4 1/2’ plant. A definite “must have” for anyone who loves dinner plates.

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Order now · Ships Spring 2027
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Guaranteed to Grow

Pair with

Sturdy Garden Stakes
Women's Atlas Nitrile Garden Gloves
Men's Atlas Nitrile Garden Gloves
SHOCKWAVE

How to Grow

Dahlias are grown from tubers (similar to a bulb, but thin-skinned like a potato). Plant tubers in the springtime, about the same time as you would your vegetable gardens or when the ground is warm enough to work up and play in daily. Plant them in a full sun location (giving them 6-8 hours of direct sunlight) and enjoy blooms all summer long. They will bloom and provide you with color and abundant flowers for cutting and enjoying throughout the summer.
The more you cut a dahlia plant, the more it will bloom. Most cut dahlias will last up to 5 days once cut and treated.

Step 1
Picking the right location
Step 2
Preparing the soil
Step 3
Planting your dahlias

Similar Bloom Size

EMORY PAUL
EMORY PAUL $15.95
Bloom size: 12"
Plant height: 4'
Don't Miss this one! These giant 12" - 14" rich rosy purple blooms are magnificent. This is the largest dahlia we offer. It blooms fairly late, but a sure winner in its class. Plant height 4'.
BODACIOUS
BODACIOUS $18.95
Bloom size: 11"
Plant height: 5'
The name says it all! Huge 11" blooms are a bright orange red with yellow showing on the edges and underneath of each petal, giving it the illusion of having tongues of fire. An excellent prospect with a plant height of 5'. 2001 Derrill W. Hart Winner.
Hakuyou
HAKUYOU $8.95
Bloom size: 12"
Plant height: 3½'
Magnificent 12" white blossoms on a very sturdy 3 1/2' plant. A late bloomer, but well worth the wait.
Envy
ENVY $12.95
Bloom size: 11"
Plant height: 4'
These gorgeous 11" blooms of rich red make an outstanding display in the garden. A lush grower of 4' in height.
MAKI
MAKI $24.95
Bloom size: 12-14"
Plant height: 4'
This variety is a sport of Emory Paul with 12" - 14" pink with purple splashed blooms on strong stems. Plant height 4'. This variety can produce solid pink or purple blooms throughout the season.
Maniac
MANIAC $12.95
Bloom size: 12"
Plant height: 4'
These 12" blooms are a beautiful, soft orange that are wildly and randomly splashed with red. This strong and sturdy 4' plant supports these huge blooms well and will give you festive garden color. This variety can produce red or orange blooms throughout the season.
ICEBERG
ICEBERG $26.95
Bloom size: 12"
Plant height: 3'
Another sport from the popular Purple Taiheijo. The blooms are 12" across and a beautiful white with just a hint of lavender near the ends of the center petals. Plant is a compact 3' with nice green foliage, making it an excellent garden plant with an upright growth habit.
Vera Seyfang
VERA SEYFANG $24.95
Bloom size: 12"
Plant height: 3'
12" blooms are of a rich orchid pink. Very sturdy plant with excellent foliage. Great stems for such a large variety. Plant height 3'.
Zorro
ZORRO $19.95
Bloom size: 11"
Plant height: 4'
This one is an outstanding dark red with 11" blooms of tremendous depth making it one of the biggest show winners of the large dahlias in exhibition. A very consistent strong grower. Excellent for garden or show. Plant height 4'. Produces small tubers.
Grand Finale
GRAND FINALE $9.95
Bloom size: 10"
Plant height: 4'
These 10" blooms are a beautiful wine purple. This variety blooms very heavy for a dinnerplate variety, and grows on a 4' plant that will give you lots of colorful blooms in late summer and early fall.
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Similar Color

GITTS PERFECTION
GITTS PERFECTION $39.95
Bloom size: 10"
Plant height: 3'
10" blooms in a soft delicate pink, which blend to white in the center. Flowers have excellent depth and angle, making this an excellent exhibition variety in the A size class. Plant height is 3' and if cut the blooms hold a long time.
MAKI
MAKI $24.95
Bloom size: 12-14"
Plant height: 4'
This variety is a sport of Emory Paul with 12" - 14" pink with purple splashed blooms on strong stems. Plant height 4'. This variety can produce solid pink or purple blooms throughout the season.
Randi Dawn
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RANDI DAWN $34.95
Bloom size: 8"
Plant height: 5'
The largest waterlily we offer. The 8" blooms are of soft lavender pink with a white frosting on the petal edges. The 5' plantes are strong and vigorous.
GLAMOUR GIRL
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GLAMOUR GIRL $16.95
Bloom size: 8"
Plant height: 4'
8" Fuchsia blooms have great depth and form, making this an excellent choice for exhibition. The 4' plant is very sturdy and produces strong stems that support the large blooms.
Shockwave
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SHOCKWAVE $0
Bloom size: 12"
Plant height: 4½'
12” bright and bold magenta purple blooms. Petals on this one are wild and crazy. Held on a strong 4 1/2’ plant. A definite “must have” for anyone who loves dinner plates.
Mingus Philip Sr
MINGUS PHILIP SR $29.95
Bloom size: 11"
Plant height: 3'
Beautiful 11" blooms in a blend of cream and pink. Plant is a compact, sturdy grower at 3' making it an excellent choice for the garden. Definitely a growers choice - must have dahlia! Show stopper!
Otto's Thrill
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OTTO'S THRILL $0
Bloom size: 10"
Plant height: 4'
These gorgeous 10” coral pink blooms that are on a strong 4’ plant. These blooms will leave you dreaming of a pink sunset.
Clearview Jonas
CLEARVIEW JONAS $12.95
Bloom size: 10"
Plant height: 4'
10” beautiful pink and soft yellow blooms on 4’ plant. Not only is the flower amazing, but the foliage and plant are incredibly sturdy and beautiful. What a fantastic addition to your garden.
Café Au Lait
CAFE AU LAIT $29.95
Bloom size: 8"
Plant height: 4'
These 8" large and fluffy blooms are in great demand for wedding work and make beautiful arrangements. Their unique color can be a pale peach to a pink blush on the same plant. Grows on a 4' plant that is a great addition to the garden. Slow grower and not...
Mother's Love
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Mother's Love $34.95
Bloom size: 10"
Plant height: 4'
Gorgeous 10” pink blossoms blend to a white center. Very strong plant growing to 4'. This beauty was awarded the 2016 Derrill W. Hart Award by the American Dahlia Society for its outstanding blooms. In some weather conditions, this pink may show a lavender tone to the blossoms.
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  • 5 stars: 0 (0%)
  • 4 stars: 1 (50%)
  • 3 stars: 0 (0%)
  • 2 stars: 1 (50%)
  • 1 star: 0 (0%)
R
ROBERT
spectacular

The last of my 30 dahlias to bloom but the most spectacular great color and a full 12 inches. Strong stems that withstood some high winds and downpours. Only downside only 4 blooms, Grew to almost 7 feet high.

O
Olympic P.D.F.
Did not come up

Of the 19 Swan Island dahlias I planted in Spring 2020, 16 came up. But the two Shockwave dahlias I ordered failed to even put up the tiniest sprout even though they have the same south facing, sunny exposure. Given how expensive they were, I have to say I was disappointed. Overall, I am impressed by Swan Island, but I cannot recommend Shock Wave unfortunately.