Blackberry Flower Seeds Packet

Regular price $4.95

FREE SHIPPING on seeds when you order 5 packs or more

Blackberry seeds for the kitchen garden that intends to actually produce blackberry this year. The blackberry does not ask for much beyond space, support, and the understanding that you will be stained by September.

Blackberry is vigorous cane fruit producing large, glossy black berries with an intense, slightly tart flavour. Each packet is hermetically vacuum-sealed -- removing the oxygen that causes standard paper seed packets to lose germination viability within approximately one year. State law requires a 3-year viability label on sealed packaging. NASA research on hermetic seed storage indicates viability of up to 10 years under proper conditions. Every packet is non-GMO and germination-tested at independent third-party labs before it earns its Japanese woodblock print artwork.

How to Grow Blackberry from Seed

Sowing and Germination

Cold stratify 90 days. Sow in spring in rich, well-drained soil. Full sun to partial shade.

Care and Harvest

Train on supports. Fruit on second-year canes. Harvest when fully black and soft. Cut fruited canes after harvest.

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, the Toronto ceramics studio 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.

Quick Seed Overview
  • Plant Type: Perennial shrub
  • Genus: Rubus
  • Species: Rubus fruticosus
  • Plant Height/Width: 3-10 feet tall / 3-6 feet wide
  • Season: Summer to Early Fall
  • Exposure: Full Sun
  • Difficulty: Moderate
Satisfaction Guarantee

We stand by the quality of our flower seed packets! With high germination rates and vibrant blooms, your garden is sure to flourish. If you're not completely satisfied, we’ll replace or refund—guaranteed!

Why Shido Seeds Are the Best

Our flower and vegetable seeds are beautifully packaged little packets of magic. Guaranteed to turn your garden into the envy of the neighborhood. Get your hands dirty and let nature simply do its thing.

How to Plant Blackberry from Seed

When to Plant Seeds

Cold Stratify the Seeds (Mimic Winter):
Blackberry seeds need cold stratification to break dormancy. Place seeds in a damp paper towel inside a plastic bag, then refrigerate for 3–4 months at about 35–40°F (2–4°C).

Sow in Seed Trays Indoors

After stratification, plant the seeds ¼ inch deep in a high-quality seed-starting mix. Keep them in a warm location (70–75°F) and maintain moisture. Germination can take up to a month or longer.

Transplant Seedlings Outdoors:

Once seedlings have 3–4 true leaves and outdoor temperatures are consistently above 60°F, harden them off for a week. Then transplant them to a sunny garden bed with well-draining soil, spaced about 3–4 feet apart.

Mulch & Water Consistently

Apply 2–3 inches of mulch to retain moisture and suppress weeds. Water regularly during the first season until plants are well established.

Pro Tip

For a consistently high yield, rotate your berry patch every 7–8 years and practice tip layering—a propagation technique where the tip of a cane is buried to root and create a new plant. This helps rejuvenate your berry patch and ensures a continuous supply of fruit.

Blackberry plant flowering and fruiting on support structure

Getting to know your Blackberry

Blackberry is the wild child of the berry world. Fast-growing, a little thorny, and entirely unapologetic, it’s the kind of plant that takes over, breaks rules, and rewards you with armloads of inky, juicy fruit just when you were about to give up trying to tame it.

This bramble is all about abundance. It sends out long, arching canes (some of which can root at the tips if left to touch soil), forms thickets, and doesn’t really care about boundaries—physical or otherwise. If you’re not pruning regularly, it will become a berry jungle. But if you're the type who enjoys a bit of botanical chaos and plenty of fresh fruit, Blackberry is your ride-or-die.

Blackberries are tough. They tolerate poor soil, neglect, and drought once established. Full sun is best, and they appreciate a good trellis, regular pruning, and the occasional compliment. But truthfully? They’ll probably thrive even if you forget.

Plant Blackberry if you’re ready to share your garden with a fast, wild, generous fruiting machine. It may not stay where you plant it—but it will show up every summer with flavor, attitude, and baskets of berries.

What it's used for
Growth Requirements
Maintenance
Pests and Diseases

Growing Together with Shido

At Shido, everything we do starts with one goal: helping you have a truly successful growing experience. We know that planting seeds is just the beginning — your time, energy, and love for gardening are the real magic. That’s why we make sure the seeds you plant are fresh, full of life, and top-quality. When you choose Shido, you’re planting with confidence. We guarantee it.

Our mission is simple: bring you exceptional varieties of high-quality seeds at prices you’ll love, share detailed sowing and growing tips so you can thrive as a home gardener, and deliver the best customer service in the industry — with a smile.

Our Seed Safety Promise

We do not sell genetically modified seeds — ever. And we don’t use genetic engineering to breed new varieties. Instead, our skilled breeders use traditional, natural crossing methods to create hybrid seeds that are healthy, safe, and packed with potential.

Our Seed Quality Guarantee

At Shido, we believe great gardens start with great seeds — and that means quality comes first. Every seed lot we offer is ensure to generate top-notch germination because your garden deserves nothing less.

To keep our seeds at their peak, we run thorough pathology tests at trusted outside labs. When you open a Shido seed packet, you can trust it’s been nurtured, tested, and approved to give you strong, healthy plants from the very first sprout.

Types of Seeds We Offer

Hybrid Seeds (F1)

F1 hybrid seeds are the garden’s high achievers — created by crossing two specially chosen parent plants for superior vigor, uniformity, and performance. We use only traditional breeding methods to produce these powerhouse seeds.

Open-Pollinated & Heirloom Seeds

Our open-pollinated (OP) seeds naturally reproduce through wind, insects, water, or self-pollination. When grown in isolation, they produce true-to-type plants year after year.

Among our OP seeds are treasured heirloom varieties — old favorites that have been carefully passed down for generations. While OP plants can be less uniform than hybrids, we run our Open-Pollinated Project to select the most reliable, flavorful, and beautiful strains. Many are also available as certified organic seeds.

Non-GMO: What It Means and Why It Matters

A GMO (Genetically Modified Organism) is created when scientists alter a plant’s DNA in a lab — often by inserting genes from completely unrelated species — to achieve certain traits, like pest resistance or herbicide tolerance. This is a far cry from natural plant breeding.

At Shido, we believe gardening should stay as close to nature as possible. All our seeds — whether hybrid, heirloom, organic, or open-pollinated — are Non-GMO. They’re bred using traditional methods that respect natural biodiversity, giving you safe, wholesome seeds that grow into plants just as nature intended.

When you plant Shido Non-GMO seeds, you’re choosing purity, sustainability, and peace of mind — along with a garden full of flavor, color, and beauty.

Vacuum-Sealed for Freshness — Good for 10 Years

Every Shido seed packet is vacuum-sealed to lock in freshness and protect your seeds from moisture, air, and pests. This careful packaging not only preserves their quality but also extends their shelf life dramatically. Stored properly in a cool, dry place, our seeds remain viable for up to 10 years — so you can plant them now, next season, or even years down the road. Whether you’re planning a garden this spring or building a long-term seed stash, Shido seeds are ready when you are.


Feed Your Plants Like You Actually Know What You’re Doing

Your plants called—they're tired of your "just water and hope" approach. Give them VerteRx, the premium plant food packed with vitamins and growth boosters. Stronger roots, lusher leaves, and fewer judgmental stares from your fiddle-leaf fig. Because even plants deserve proper nutrition (unlike your diet).

Pretty Pots for Pretty Plants

Your plants work hard to look good—shouldn’t their pots do the same? Choose from our gorgeous flower pots and let your greenery thrive in style. Because plain plastic is just rude.