Dahlia Flower seed packet - Shido Seeds non-GMO vacuum-sealed woodblock design
Dahlia showy complex blooms in mixed colours in late summer garden
Dahlia seeds vacuum-sealed - Shido Seeds by Chive
Dahlia Flower seed packet - Shido Seeds non-GMO vacuum-sealed woodblock design
Dahlia showy complex blooms in mixed colours in late summer garden
Dahlia seeds vacuum-sealed - Shido Seeds by Chive

Flower Seeds

Dahlia Flower Seeds Packet

$4.95
Vacuum Sealed
NON-GMO
Seed Pack Guarantee

Build Your Garden With These Shido Seeds

Choose a seed packet as your starting point, then round out the bed with these for that thrown-together-but-somehow-perfect harvest.

Dahlia seeds grow into a late-summer showpiece that produces flowers in a range of forms wide enough to fill an entire flower show category by itself. Shido dahlia seeds are non-GMO and hermetically vacuum-sealed — a patient route into a flower usually grown from tubers instead — while standard paper-packed seeds lose germination viability within approximately one year.

The bloom forms alone span an entire flower-show category, and this one variety is not interested in choosing just one of them. Deadheading spent blooms through late summer keeps new ones arriving right up until the first real frost ends the show for the year. Growing one from seed rather than a tuber is the slower route, and also the more interesting one. The tubers can be lifted and stored over winter in colder zones, letting a single plant. Every packet ships germination-tested at independent third-party labs before packaging.

Seed specifications
  • Material: Seed
  • Botanical name: Dahlia Pinnata
  • Genus: Dahlia
  • Plant family: Asteraceae
  • Species: pinnata
  • Plant type: Tuberous Perennial
  • Pollination type: Flowers
  • USDA Hardiness Zones: 8–11
  • Packet contents:
  • Packaging: Hermetically vacuum-sealed
  • Non-GMO: Yes
  • Seed viability: Up to 10 years (sealed) / 4–5 years (unsealed, ideal conditions)
  • Difficulty: Moderate - Recreational Gardener
Sowing & growing guide

Quick Sowing Guide:

  • When to sow: 4-6 wks before last frost indoors; plant out after frost
  • Sowing depth: 1/4 in
  • Initial spacing: 12-18 in
  • Row spacing: 24-36 in
  • Days to germination: 5-10 days
  • Light: Full sun
  • Water: Moderate
  • Soil: Well-drained, rich loamy soil
  • Harvest: 90-120 days to bloom

Start Growing: Step-by-step sowing and growing guide
About vacuum sealing

Why Vacuum-Sealed Seeds Last Longer

Standard paper seed packets are permeable to oxygen and moisture -- the two primary causes of seed degradation. Most paper-packaged seeds begin losing germination viability after approximately one year, contributing to significant garden-industry waste: packets purchased, not planted, expired, discarded. Shido Seeds are hermetically vacuum-sealed. The packet does not expire quietly in a drawer. It waits.

About the Packaging

Every Shido seed packet is illustrated in the style of Japanese 1910s woodblock printing -- designed and drawn in-house by Chive, that has been exhibiting at the Chelsea Flower Show in London every year and does not, as a matter of principle, sell to big-box retailers. Customers collect the packets as a series. This was not the original plan.
Shipping & returns

Shipping

  • Free shipping: Orders $200+ within the US
  • Standard: 5–8 business days, Express 2–3 business days (at checkout)
  • International Ships: to 40 countries — rates at checkout
  • Packaging Ships: in outer box to protect gift box

View full shipping policy →

Returns

We accept returns within 30 days of delivery on unused items in original packaging. If your piece arrives damaged, contact us within 7 days with a photo and we will replace it at no charge.

View full return policy →
Satisfaction Guarantee

We stand by the quality of our flower seed packets! Every Shido seed packet is lab-tested for germination before it ships. If your seeds do not perform to the stated germination rate under correct growing conditions, contact us and we will replace or refund. Guaranteed!
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Radish Horticultural Specifications

Botanical

Dahlia Pinnata

Plant Type

Tuberous Perennial

Light

Full sun

Water

Moderate

Soil

Well-drained, rich loamy soil

Depth

1/4 in

Germination

5-10 days

USDA Zone

8–11

Mature Height

1-4 ft

Harvest

90-120 days to bloom

The Story Behind This Packet

Dahlia seeds have been part of the Shido lineup since the collection first opened, grown into a late-summer showpiece that produces flowers in a range of forms wide enough to fill an entire flower show category by itself. Every packet is illustrated in the style of early-1900s Japanese woodblock printing, drawn in-house rather than licensed, which means the artwork on this packet exists nowhere else. The seeds themselves are hermetically vacuum-sealed, a packaging choice that has as much to do with the garden as the growing does: a standard paper packet starts losing viability within about a year, while a vacuum seal holds that line for years longer, so the packet in a drawer is still a packet worth planting whenever the moment actually arrives. Shido treats the seed itself as worth that extra step, on the theory that a gardener who buys dahlia seeds deserves a packet that is still viable whenever they finally get around to using it, not just the season they bought it.

Find More Vegetable Seeds to Grow

History & origin

Native Range

Native to the mountain highlands of Mexico and Guatemala.

1791, Spain

Named by botanist Antonio José Cavanilles at the Royal Gardens of Madrid, in honor of Swedish botanist Anders Dahl — who died two years earlier and never saw a living dahlia.

Common Name Origin

The Aztec name was acocoxochitl, or "water pipe flower," referencing the hollow stems used to transport water.

18th Century Introduction

Tubers reached Europe in 1789, initially hoped to rival the potato as a food crop; Europeans disliked the taste, and breeding shifted entirely to ornamental use.

Today

The national flower of Mexico since 1963, with tens of thousands of registered cultivars worldwide.

Shido Vegetable and Flower Seeds Vacuum sealed for peak freshness

Step-by-Step Sowing & Growing Guide

Getting Started

Step 1: Timing - Start seed indoors 4-6 weeks before last frost.

Step 2: Soil - Well-drained, rich loamy soil.

Step 3: Sowing - Sow 1/4 inch deep.

Step 4: Germination - 5-10 days.

Step 5: Transplant - Move outdoors after all danger of frost has passed, spacing 12-18 inches apart.

Step 6: Support - Stake taller varieties as they grow to keep heavy blooms upright.

Before you start

Materials needed to sow
  • Seed trays: For the 4-6 week indoor start.
  • Seed-starting mix: A light, well-drained mix.
  • Grow light: For strong seedlings before transplant.
  • Plant stakes: Ready to place at transplant time for taller varieties.

Materials for harvest and storage
  • Sharp scissors or pruners: For cutting stems for a vase.
  • Bucket of water: For fresh-cut stems.
  • Garden fork: For lifting tubers in fall in cold climates.
  • Storage crate with peat moss or vermiculite: For overwintering tubers indoors.

Tip: Cut dahlias in the cool morning and place stems immediately in water for the longest vase life.

Growth Requirements

Light:

  • Thrive in full sun (6-8 hours per day).
  • Require ample sunlight for optimal blooming.

Soil:

  • Prefer rich, well-drained, loamy soil.
  • The ideal pH range is slightly acidic to neutral (6.5-7.0).

Watering:

  • Require moderate watering, ensuring the soil remains moist but not waterlogged.
  • Avoid overhead watering to prevent fungal diseases.

Temperature & Climate:

  • Dahlias prefer temperatures between 60-75°F (15-24°C).
  • Not frost-hardy—tubers should be lifted and stored in colder climates.

Fertilization:

  • Benefit from low-nitrogen fertilizers (e.g., 5-10-10) to promote blooming.
  • Apply fertilizer every 3-4 weeks during the growing season.

Maintenance

Staking & Support:

  • Tall varieties benefit from staking to prevent wind damage.
  • Install supports early to avoid damaging roots later.

Deadheading & Pruning:

  • Remove spent blooms to encourage continuous flowering.
  • Pinch young plants to promote bushier growth.

Disease & Pest Prevention:

  • Ensure proper spacing to reduce fungal infections like powdery mildew and botrytis.
  • Monitor for aphids, slugs, and spider mites, treating with insecticidal soap or neem oil if needed.

Troubleshooting and common mistakes
  • Planting or starting seed too early: Dahlias are frost-tender — planting before the danger of frost has fully passed risks losing the whole planting to a late cold snap.
  • Not staking at planting time: Waiting until stems are tall and top-heavy makes staking far less effective and risks snapping stems.
  • Storing tubers in damp conditions over winter: Damp storage is the most common cause of tuber rot between seasons.

Culinary uses & nutritional information

What it's used for

1. Ornamental Gardening:

  • Ideal for flower beds, borders, and container gardens.
  • Taller varieties make excellent backdrops in mixed plantings.

2. Cut Flowers & Floral Arrangements:

  • Dahlias are popular in floral arrangements due to their long vase life and stunning appearance.

3. Pollinator Support:

  • Open-centered dahlias provide nectar and pollen for bees and butterflies.

4. Exhibition & Competitions:

  • Certain varieties are cultivated specifically for flower shows and competitions due to their unique shapes and sizes.

What parts are edible

Nutritional data

Companion plants, pests & diseases

Companion planting

Good companions

  • Zinnias, cosmos — shares bloom time for a long-lasting cutting garden
  • Basil — old garden tradition holds it helps deter pests nearby

Poor companions / avoid

  • Shade-loving plants — dahlias need full sun and will decline if crowded by taller, shade-casting neighbors

Pests
  • Aphids: Cluster on new growth. Strong water spray or insecticidal soap.
  • Spider mites: Fine webbing on undersides of leaves, worse in hot, dry conditions.
  • Earwigs: Chew ragged holes in petals at night. Trap with rolled, damp newspaper set out overnight.
  • Slugs and snails: Chew young foliage, especially in damp conditions. Diatomaceous earth or beer traps.

Diseases
  • Powdery mildew: White powdery coating on leaves, common late in the season. Improve air circulation and avoid overhead watering.
  • Botrytis blight: Gray, fuzzy mold on buds and flowers in humid conditions. Remove affected blooms promptly and improve airflow.
  • Tuber rot: Soft, blackened tubers from poorly drained soil or damp storage conditions. Improve drainage and store tubers in a cool, dry place.

Pro Tip

For bigger blooms, pinch off early buds to direct energy into fewer, showier flowers.

Bonus: Dig up and store tubers in winter for years of gorgeous blooms!

Seeds worth keeping

What makes Shido Seeds different

Shido Seeds are designed by Chive Studio, a ceramic design company. We are not a seed conglomerate. We do not sell through big-box retailers. Each variety in the catalog was selected because it is worth growing — not because it ships well in bulk or photographs well in marketing materials.

Every packet is germination-tested at an independent third-party lab before it earns its woodblock illustration. The vacuum seal removes the oxygen that causes standard paper packets to degrade. The stated germination rate is a floor, not a marketing figure.

If something goes wrong, contact us. We will make it right.

Plants that Grow together look good together...even if they are ceramic

More From the Shido Garden

Every Shido variety belongs to a wider garden of vacuum-sealed packets, each illustrated in-house. Morning Glory makes a natural companion to dahlia, sharing the same easy place in a Shido garden without repeating it.

Vegetable Shido Seeds packets — by Chive Studio Toronto

Explore the Full Flower Seeds Collection

Shido Seeds spans flowers, vegetables, herbs, houseplants, and fruit & berry varieties, all sealed for lasting germination. Find dahlia among the rest of the Shido Seed Flowers Collection, Shido's full lineup of vacuum-sealed varieties.

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Ceramic Flowers That Never Wilt

Chive also makes ceramic flowers that never need water, sun, or a growing season of their own. Growing Dahlia means waiting out a season; Chive's Teal Flower skips the wait entirely.

Chive Shido seed packets with botanical illustrations on a peg rack, showing cherry blossom, tomato, and eggplant designs.

The credentials behind the packet

Chive Studio started as a ceramics workshop and grew, one collection at a time, into seeds, vases, and everything else now carrying its name. Shido Seeds is the newest branch of that same tree, built on the belief that a seed packet deserves the same attention to material and design as a ceramic vase does. That is why every variety, dahlia included, ships vacuum-sealed rather than paper-packed, and why the packaging is illustrated rather than merely printed.

About our studio

Plant Care, Simplified with Chive

Keep it alive, keep it thriving. Let's make plant parenthood look easy.

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Frequently asked questions

How long do dahlia seeds last in the packet?

Dahlia seeds stay viable far longer than a standard paper packet allows. Shido seals every packet hermetically, removing the oxygen and moisture that cause paper-packed seeds to lose germination viability within about a year. That difference matters most for a gardener who buys ahead of a season rather than the week they plant, since a vacuum-sealed packet is still good years after a paper one would have quietly failed.

Is dahlia easy to grow from seed?

Dahlia grows into a late-summer showpiece that produces flowers in a range of forms wide enough to fill an entire flower show category by itself, and most gardeners find it manageable from seed once they know what it actually wants. It is not a fussy plant so much as a specific one, with its own timing and its own preferences, and once those are respected it tends to perform reliably rather than dramatically.

Can dahlia seeds be started indoors?

Yes, dahlia seeds can be started indoors under a grow light or on a bright windowsill several weeks before the outdoor season begins, then hardened off gradually before transplanting. Starting indoors gives the plant a head start on a shorter growing season and lets a gardener control moisture and temperature more precisely than an outdoor bed allows.

Are dahlia seeds non-GMO?

Yes. Every packet of Shido dahlia seeds is non-GMO, sourced and packaged without any genetic modification at any stage. That commitment runs across the entire Shido Seeds catalog, not just this variety, and it is one of the reasons the seeds are vacuum-sealed rather than paper-packed: the extra step protects a seed that was already grown to a higher standard than the packet price might suggest.

What is the best time of year to plant dahlia seeds?

Timing depends on your climate, but most gardeners plant dahlia seeds once the risk of a hard frost has passed and the soil has had a chance to warm. Cooler-climate gardeners often start seeds indoors a few weeks earlier to compensate for a shorter outdoor season. Checking your specific USDA zone against the packet's sowing notes is the most reliable way to time it correctly for your particular garden.

Does dahlia attract pollinators to the garden?

Many gardeners choose dahlia seeds specifically for the pollinator activity it brings in, since a blooming garden tends to draw bees, butterflies, and other visitors that a bare bed simply does not. Dahlia fits comfortably into that role alongside most of the flowering varieties in the Shido lineup, adding both color and activity to a border without requiring any special pollinator-specific care on your part.

How much sun does dahlia need to thrive?

Most Shido flower varieties, dahlia included, perform best with several hours of direct sun each day, though tolerance varies by species and garden conditions can shift that somewhat. A spot that gets strong morning light and a bit of afternoon shade often works well as a middle ground for gardeners unsure of their exact conditions, and the packet's specific guidance is worth checking before choosing a permanent spot.

What makes Shido dahlia seeds different from a standard seed packet?

The seed inside is the same species you would find anywhere, but the packaging is not: Shido seals every packet hermetically rather than in ordinary paper, which is why the seeds hold their germination rate for years longer than a standard packet manages. Shido is sold at the RHS Chelsea Flower Show, where Chive has been exhibiting since 2013.
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