Description

The American Classic, Midwestern Heritage and the Cucumber of Perfect Pickling

Wisconsin SMR-58 is the cucumber that turns a garden into a pantry.

The vines run with bright-green confidence, leaf after leaf throwing shade over the soil like a living quilt. The fruit is dark green, firm, and perfectly sized, the kind of cucumbers that feel made for a jar. Pick one, and it’s cool and heavy in your hand. When you slice it, you hear that clean snap that promises crunch even after brine and time. This is the flavour of Midwestern summers and kitchen counters lined with dill: fresh, green, and classic. They’re built for pickles, but so crisp you’ll keep stealing them straight from the vine.

Wisconsin SMR-58 is beloved for one reason: it delivers. Uniform fruit, heavy yields, and dependable disease resistance, with a shape and texture that make truly excellent pickles.

A whisper of history

Cucumbers trace their origins to South Asia, spreading through the Mediterranean and Europe long before becoming a North American staple. In the American Midwest, pickling became both tradition and industry, and breeders focused on cucumbers that could produce consistent, crisp fruit for jars and markets.

Wisconsin SMR-58 was developed in Wisconsin in the mid-20th century as a pickling workhorse. The “SMR” name points to its classic traits: spindle-shaped, medium-sized fruit and resistance to common cucumber diseases. It’s a variety bred to keep producing when conditions get challenging.

What You’ll Grow

• Plant type: Warm-season annual vine
• Growth habit: trailing or trellised; vigorous
• Vine length: typically 1.8–2.4 m (6–8 ft) when trellised
• Fruit type: pickling cucumber
• Fruit size: typically 10–15 cm (4–6 in)
• Shape: straight to slightly curved; often lightly tapered at ends
• Skin: smooth, dark green
• Flesh: crisp, firm, excellent for pickling
• Flavour: fresh, classic cucumber flavour; holds well in brine

Days to maturity: typically 50–65 days from planting.

Growing Instructions

Pickling cucumbers want the same things as all great cucumbers: warmth, rich soil, steady water, and frequent harvest. The difference is timing—pickling quality is best when fruit is harvested young and firm.

When to Plant

• Direct sow after the last frost when the soil is warm
• Target soil temperature: 16°C (60°F)+

Direct Sowing (Preferred)

• Plant seed 2.5 cm (1 in) deep
• Sow in hills or rows

Hill method (excellent for airflow):

• Plant 3–4 seeds per hill
• Space hills 45–60 cm (18–24 in) apart
• Thin to the most vigorous 1–2 plants

Row method:

• Space plants 30–45 cm (12–18 in) apart
• Space rows 90–120 cm (36–48 in) apart

Germination: typically 7–10 days in warm soil.

Starting Indoors (Optional)

• Start 3–4 weeks before the last frost in individual pots/cells
• Transplant gently after nights are warm (cucumbers dislike root disturbance)

Soil + Site

• Full sun (8+ hours) for best yields
• Fertile, well-drained soil rich in organic matter
• Target pH 6.0–7.0

Before planting:

• Work in compost or well-rotted manure
• Cucumbers are heavy feeders—fertility shows up as yield and crunch

Watering (Crunch Insurance)

• Aim for 2.5–5 cm (1–2 in) of water per week
• Keep moisture consistent; drought stress can reduce quality and cause bitterness
• Water at the base; mulch to conserve moisture and keep fruit clean

Feeding

• Side-dress with compost or a balanced fertilizer every 3–4 weeks during active growth
• If vines are lush but fruiting is slow, reduce nitrogen and ensure good pollination

Trellising (Recommended)

• Trellis to save space, improve airflow, and keep fruit cleaner
• Use netting, cages, or sturdy panels

Pollination Notes

• Good pollination = good fruit set
• Encourage bees with nearby flowers; avoid spraying during bloom

Disease + Pest Notes

• SMR-58 is valued for disease resistance (helpful in humid summers)
• Still watch for cucumber beetles, aphids, and mildew pressure; airflow and base-watering help

Harvesting (Pickling Perfection)

Harvesting is where this variety shines.

• Harvest at 10–13 cm (4–5 in) for whole pickles
• Harvest at 13–15 cm (5–6 in) for spears and chips
• Pick when fruit is dark green, firm, and glossy
• Cut with pruners/knife—don’t yank vines

Productivity Tip

Pick every 1–2 days in peak season. Frequent harvesting keeps fruit tender and vines producing hard.

Preserving + Storage

• Use fresh cucumbers quickly for the best pickles
• Store short-term around 10–13°C (50–55°F) with humidity for several days to a week

Preserving options:

• Vinegar pickles: dill, garlic, bread-and-butter
• Fermented pickles: salt-brine for probiotic crunch
• Relish: chopped cucumbers with onions and peppers

Pickling Tip

For the crispest jars, harvest in the cool morning and pickle within 24 hours.

Culinary Notes: Built for Brine (But Great Fresh)

• Dill pickles: classic whole or spears
• Bread-and-butter: sweet and tangy slices
• Kosher-style: garlic, dill, and spice
• Fermented: old-world crunch and depth
• Fresh eating: crisp slices for salads and snacks

Canadian Climate Notes

Wisconsin SMR-58 is a strong Canadian garden choice because it’s reliable, productive, and resilient.

• Wait for warm soil before sowing
• Mulch to stabilize moisture and reduce stress
• Trellis for airflow (helps reduce mildew)
• Harvest frequently for the best pickling size and ongoing yields

Growing zones: 2–10 (annual; warm-season crop).

Seed Saving

Wisconsin SMR-58 is a true cucumber (Cucumis sativus) and will cross with other cucumber varieties.

Isolation & Cross-Pollination

• Cucumbers cross with other cucumber varieties
• For true seed, isolate by distance as practically possible, or only let one cucumber variety flower

How to Save Seed

1. Select the healthiest vines and best fruit
2. Let a few cucumbers fully mature on the vine until they turn yellow and soften
3. Scoop seeds into a jar with a bit of water and ferment for 2–3 days
4. Rinse well; good seeds sink
5. Dry thoroughly until seeds snap
6. Store cool, dark, and dry

Seed viability: typically 5–8 years

Wisconsin SMR-58 is the American classic—Midwestern-bred, jar-ready, and gloriously productive: the cucumber that makes pickling season feel like a victory.