50+ Boston Pickling Cucumber Seeds

Boston Pickling Cucumber Seeds (Cucumis sativus) produce vigorous, productive vines bearing short, blocky green cucumbers with crisp flesh and a fresh, slightly sweet flavor. The fruits are especially valued for their firm texture, which helps them remain crunchy after pickling. Harvested at approximately 2–4 inches long, they are perfect for dill pickles, bread-and-butter pickles, relishes, fermented pickles, and fresh snacking. This fast-growing, open-pollinated heirloom can continue producing throughout the summer when fruits are harvested regularly.

Planting Season

Best planted in: Late Spring & Early Summer (Warm-Season Crop)

Sow after all danger of frost has passed and the soil temperature has reached at least 65°F (18°C). Cucumbers grow best in consistently warm weather and are highly sensitive to frost and cold, waterlogged soil.

How to Grow Boston Pickling Cucumber Seeds

Sow seeds directly outdoors after the final frost. Seeds may also be started indoors 3–4 weeks before transplanting, although direct sowing is often preferred because cucumber roots are sensitive to disturbance.

Choose a location receiving at least 6–8 hours of direct sunlight each day.

Grow in fertile, loose, well-drained soil enriched with compost or well-aged organic matter.

Sow seeds approximately ½–1 inch deep.

For row planting, sow 2–3 seeds every 12–18 inches, with rows spaced approximately 4 feet apart.

For hill planting, sow 4–6 seeds per hill and space hills approximately 4–5 feet apart.

Keep the soil consistently moist but not waterlogged during germination.

Maintain soil temperatures between 65–85°F (18–29°C) for reliable germination.

Seeds typically germinate within 5–10 days under warm conditions.

Thin seedlings to the strongest one or two plants at each planting position after they develop their first true leaves.

How to Care for Boston Pickling Cucumber Plants

Water deeply and consistently, providing approximately 1–2 inches of water per week depending on rainfall, temperature, and soil conditions.

Maintain even moisture during flowering and fruit development. Water stress can cause bitter, pointed, or misshapen cucumbers.

Water near the base of the vines with drip irrigation or a soaker hose to keep the foliage dry and reduce the risk of fungal disease.

Prepare the soil with compost and a balanced fertilizer before planting.

Side-dress with a nitrogen-containing fertilizer after the vines begin developing runners but before heavy flowering starts. Avoid excessive nitrogen, which can encourage leafy growth while reducing flower and fruit production.

Mulch around established plants after the soil has warmed to conserve moisture, suppress weeds, and protect their shallow roots.

Allow the vines to spread across the ground or train them onto a sturdy trellis. Early trellis support improves airflow, saves garden space, keeps fruits cleaner, and makes frequent harvesting easier.

Remove protective row covers when flowering begins so bees and other pollinators can reach the flowers.

Harvest cucumbers at approximately 2–4 inches long for firm, crisp pickles. Slightly larger fruits can also be eaten fresh, but oversized cucumbers may develop tougher skin, larger seeds, and reduced flavor.

Pick every day or two during peak production. Frequent harvesting encourages the vines to continue flowering and producing new fruit.

Boston Pickling Cucumbers typically mature within approximately 55–63 days after sowing, depending on climate and growing conditions.

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