Decorative Double Blend Dahlia Seeds

4.7692307692308 out of 5 stars
(13 reviews)
Availability: In Stock
You can grow breathtaking dahlias from seed and enjoy them year after year. This very tall blend of eye-popping colors is especially suited for the back of the garden, and the long, sturdy stems make them great for cut flowers. Blooms appear about 90 days from sowing, so you can enjoy beautiful blooms come summer. Perennial in USDA zones 7–10; in colder climates, at season's end, tubers can be lifted and stored indoors over winter. Attracts butterflies and other pollinators. Use the edible, mild-flavored petals to garnish salads, desserts, and drinks. (The flower's central disk, while edible, can be bitter.) Dahlia pinnata tubers are edible, with a flavor somewhat similar to raw jicama. The flavor of the crisp, juicy tubers is bland to mildly sweet.
$2.49 500 mg (~50 seeds)

Botanical Name: Dahlia pinnata

Family: Asteraceae

Native: Mexico and Central America

Hardiness: Perennial in USDA zones 7 to 10

Plant Dimensions: 5' tall

Variety Information: 3" semi- and fully-double flowers in an array of colors that may include: yellow, white, pink, red, magenta, plum, and orange.

Exposure: Full Sun

Bloom Period: Summer to frost (about 90 days from sowing), taking a break during heat in hot climates.

Attributes: Attracts Pollinators, Cut Flower, Edible Flower

When to Sow Outside: 2 to 4 weeks after your average last frost date.

When to Start Inside: RECOMMENDED. 8 to 10 weeks before your average last frost date. Ideal soil temperature for germination is 65°–70°F. Sow in biodegradable pots; roots are sensitive to disturbance.

Days to Emerge: 5–20 Days

Seed Depth: ¼"

Seed Spacing: 3 seeds every 18" to 24"

Thinning: When 2 sets of leaves, thin to 1 every 18" to 24"

Harvesting: For longest vase life, harvest flowers in the morning and choose flowers with just the outer 2-3 layers of petals open.

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Decorative Double Blend Dahlia Seeds Reviews

13 reviews

High Hopes

2 out of 5 stars Sep 18, 2020
I had high hopes for these dahlia seeds! I had only grown them from tubers. They sprouted leaves,but never grew buds or blossomed. Pretty disappointed
Jade Blankenberger from IN
Owner Response: Hi Jade, Thank you for sharing your experience. Because you are starting will seeds, rather than tubers, these will take some more time to flower. We recommend starting them indoors to give them a head start on the season and earlier blooms. Happy gardening!

Excellent results in western Alaska!

5 out of 5 stars Oct 11, 2020
I live in zone 3a (brr!), started these seeds indoors in May, transplanted the starts into my greenhouse in June, and have been enjoying beautiful blooms from August until our first hard frost in mid-October. Sturdy, tall foliage and just a gorgeous array of flowers. The tubers I dug up today look excellent too! Thanks Botanical Interests, you're the best.
Mimi from AK

Beautiful flowers in Central Illinois zone 5A

5 out of 5 stars Oct 23, 2020
I am very happy with how these turned out. Many different shapes and colors. And now I have tubers to replant next spring. I also plan to order the seeds again to see what comes up. Well done Bontanical Interests.
Anna Hofmann from IL

Love these dahlia seeds!

5 out of 5 stars Jul 2, 2021
Wow these dahlia seeds did so great in my zone 6A. They germinated so quickly and turned into decent sized seedlings much faster than anticipated when I started them indoors early Spring. Next year I will definitely not start them till later in Spring since I won't be planting them out till the temperatures are warmer. I loved the surprise of seeing what kind of dahlia pops up. They have all been so pretty - so far a single layer white petals, a yellow/orange pom pom, a magenta pink pom pom, a white/cream yellow pom pom. I plan on saving the tubers of the flowers that I really want to return next year and also starting more seeds inside next year! I did have to bait for earwigs since they love to snack on the leaves.
Steph from UT

Absolutely beautiful

5 out of 5 stars Jul 24, 2021
I was hesitant as I heard not great things about dahlias from seed but they have turned out so amazing!!!!
Jamie from MI

Nice plants

5 out of 5 stars Oct 9, 2021
Plants produced lots of blooms, had a decent variety of colors- some colors were outstanding while others were ok. Still blooming in October.
Joshua from MO


5 out of 5 stars Nov 5, 2021
Amazing, you can get something so terrific from a little seed! Started all of my seeds in the deep of winter (2021) and I was totally rewarded! My dahlias grew to about 5 feet and were beautiful, still have some flowering right now, but getting ready to dig up for storage for the winter.
Keri from CO

Stunning and great for pollinators

5 out of 5 stars Nov 10, 2021
I was so shocked by how well these did. I started these indoors really early this winter and was rewarded with the most lovely flowers. They attracted all sorts of pollinators, including giant bumblebees. I still have some flowers growing in early November (it's an unusually warm Fall), but I plan to pull and store and try to replant the tubers in Spring. I can't wait. If you are considering these seeds....BUY THEM NOW!!!
Grace Wright from CO
Owner Response: Thanks so much for sharing your experience!

So much fun!

5 out of 5 stars Nov 17, 2021
I am a daliah lover and plant about 15-20 tubers a season. I had no idea how easy they would be growing from seed! I had super fast, excellent germination when I planted in April. The seedlings were so strong, healthy and hardy. I couldn't believe how quickly they grew. I planted 10 in total. 3 were double yellow, 2 single yellow, 1 single beautiful coral yellow, 1 single rosey, salmony color and 1 beautiful vibrant single magenta. I also was SO HAPPY to have grown two collarette types from these seeds! I had the Pooh variety and a magenta with white centers. I wish we could post pictures!!! Would be so helpful to us gardeners. I was hoping for more doubles but was very happy none the less!!! Incredible mix!
Lauren from NY

My favorite flowers in 2021

5 out of 5 stars Dec 3, 2021
These were my absolute favorite flowers that I grew in 2021! I started several inside quite early (Feb-March) and they transplanted easily. Flowers bloomed and rebloomed throughout the summer.
Alex from NH

2nd year, hopefully as successful as the first,

5 out of 5 stars Feb 16, 2022
I watch Gardeners World with Monty Don and learned about growing dahlias from seed. I found your pack in 2021 and grew several colorful dahlias with the six plants I planted. I was so successful that I planted all of the rest of my 2021 seeds and all of them sprouted! Can't wait to see what great colors and varieties come from this pack.
Denise from CA

Amazing Germination

5 out of 5 stars Feb 26, 2022
The packet says 50 seeds, I have 78 seedlings! I am excited for all the surprise bloom colors to come this Summer!
Brooke from OR

Beginners luck?

5 out of 5 stars May 28, 2022
I started these from seed indoors, expecting only half of the seeds to germinate. I am shocked that every seed sprouted, and I've already got one flower blooming! This is my first time growing dahlias and with this blend I can tell I'm going to have them in the garden in the future. Would recommend!
Brittany from IL

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