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Dahlia Seeds

Dahlia Seeds

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$7.98

Grow Dahlia from seed for garden beds, borders, containers, or seasonal color. This product page includes concise planting details to help gardeners compare light,...

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Germination Support U.S. Customer Support Planting Guidance
SunFull Sun
Height12-48 in.
Days to Bloom100-120 Days
Sowing SeasonSpring
USDA Zones8A-11B
Germination Time7-14 Days

About Dahlia Seeds

Grow show-stopping beauty in your garden with these stunning dahlia flower seeds. Known for their large, layered petals and wide range of vibrant colors, dahlias make perfect focal points in beds, borders, and bouquets.

  • 🌺 Giant & Colorful Blooms – Red, pink, white, yellow, purple & more

  • 🌱 Non-GMO & Easy to Grow – Great for gardeners of all levels

  • 🌼 Long Blooming Season – Flowers from summer to fall

  • ✂️ Ideal for Cutting – Perfect for floral arrangements and gifts

Add bold elegance and lasting color to your garden with these magnificent dahlias!

Great for
Cut Flowers Pollinator
Friendly Heat & Drought Tolerant

Why Gardeners Love It

✓ Adds garden color with an easy seed-starting option

✓ Useful for beds, borders, containers, or mixed plantings

✓ A practical choice for seasonal flower displays

✓ Pairs well with other annual and perennial garden favorites

✓ Good for gardeners building a more colorful outdoor space

Planting Guide

Sow Dahlia in spring where it can receive full sun. Keep the seedbed evenly moist until germination, usually 7-14 days.

Grow plants to about 12-48 in. and plan for blooms in about 100-120 days.

Best suited to USDA zones 8A-11B. Adjust sowing time for your local frost dates and summer heat.

Shipping & Returns

Fast, reliable delivery

  • Processing: Orders are processed within 2 business days.
  • U.S. Delivery: U.S. delivery typically takes 4–6 business days after dispatch.
  • Shipping: Free U.S. shipping on orders $19.90+ before order discounts. Orders below $19.90 ship for $5.90.
  • Returns: Refund requests are accepted within 30 days of delivery, including opened or sown seeds and discounted orders. Contact us for authorization before sending anything back.

Shipping Policy Return Policy

Germination Support
If you have a germination or planting-material quality concern, contact support@onsaleseeds.com with your order number and a description of the issue. Photos of your setup can help. You may request a refund within 30 days of delivery under our Return & Refund Policy; opened and sown seeds remain eligible.
Germination SupportGuidance for strong, healthy growth.
U.S. SupportReal people, here to help you grow.
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Shipping InfoShipping options are shown at checkout.

Customer Reviews

Customer Reviews

Based on 3 reviews
67%
(2)
33%
(1)
0%
(0)
0%
(0)
0%
(0)
o
olivia.williams
Lovely dahlias

These seeds are top-notch! Sprouted quickly and the dahlias are blooming beautifully in my garden.

m
michael.smith
Great quality seeds

Good germination rate and healthy plants so far. Looking forward to seeing the flowers bloom fully.

e
emma.jones
Stunning blooms!

These Dahlia seeds sprouted beautifully and the flowers are vibrant and healthy. They add a splash of color to my garden.

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Free Planting Guide

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Processing time Orders are usually prepared in 1-3 business days when items are in stock.
Estimated delivery Most U.S. seed orders arrive in about 5-12 business days after dispatch.

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