SproutSmart
SproutSmart™ Intelligent Garden Sowing

Harmonie

Family: Cucurbitaceae Vegetable

Planting Schedule

Provide your location or planting zone to unlock dates and add Harmonie to a garden.

Crisp as moonlight on the vine, Harmonie pickling cucumbers deliver a cool, clean snap with a delicately sweet, cucumber-fresh flavor.

At maturity they form uniform, slender fruits with a smooth, dark-green skin and a tight, crunchy interior—ideal for preserving and for relish-style preparations where texture truly matters. Grow Harmonie for dependable harvests and a garden-to-jar satisfaction that starts with that first satisfying crunch.

Light: Full SunMaturity: 55 DaysHabit: Vine

Botanical illustration of Harmonie

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Harmonie Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone Start Indoors Sow / Transplant Harvest
Zone 1a Protected Environment Only
Zone 1b Jun 15th Jun 29th Aug 23rd – Aug 1st
Zone 2a Jun 8th Jun 22nd Aug 16th – Aug 29th
Zone 2b May 29th Jun 12th Aug 6th – Aug 25th
Zone 3a May 29th Jun 12th Aug 6th – Sep 1st
Zone 3b Jun 2nd Jun 16th Aug 10th – Sep 21st
Zone 4a May 29th Jun 12th Aug 6th – Sep 24th
Zone 4b May 27th Jun 10th Aug 4th – Sep 27th
Zone 5a May 22nd Jun 5th Jul 30th – Sep 30th
Zone 5b May 18th Jun 1st Jul 26th – Oct 5th
Zone 6a May 15th May 29th Jul 23rd – Oct 10th
Zone 6b May 9th May 23rd Jul 17th – Oct 16th
Zone 7a May 4th May 18th Jul 12th – Oct 20th
Zone 7b Apr 24th May 8th Jul 2nd – Oct 28th
Zone 8a Apr 15th Apr 29th Jun 23rd – Nov 5th
Zone 8b Apr 6th Apr 20th Jun 14th – Nov 12th
Zone 9a Mar 20th Apr 3rd May 28th – Nov 26th
Zone 9b Feb 23rd Mar 9th May 3rd – Dec 9th
Zone 10a Continuous Production
Zone 10b Continuous Production
Zone 11a Continuous Production
Zone 11b Continuous Production
Zone 12a Continuous Production
Zone 12b Continuous Production
Zone 13a Continuous Production
Zone 13b Continuous Production

Crop Details

TraitValue
Days to Maturity55
Sun RequirementsFull SunFull sun
Growth HabitVine
Support NeededTrellis
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)65
Min Night Temp (°F)55
Harden Off (days)12

Culinary Notes


Chef's Note

Harmonie picklers are built for the crunch—tight flesh and slender, uniform shape mean your brine doesn’t turn them soft or weepy. Use them in vinegar preparations where texture is the main character, and let garlic, pepper, and mustard seed do the heavy lifting.

Best Uses

  • quick refrigerator pickles that keep a snappy bite
  • classic pickle relish where the dice stays crisp
  • batons for crunchy crudités with sour cream or yogurt dips
  • hot-water canning pickles aiming for uniform texture in the jar

Flavor Profile

cool, clean cucumber-fresh flavor delicate sweetness tight, watery-crisp crunch with minimal seed looseness bright, vinegar-friendly acidity potential

Kitchen Pairings

garlic black pepper mustard seed white vinegar yogurt sour cream

Frequently Asked Questions


Why are my Cucumis sativus (cucumber) leaves turning yellow with dusty spots, and what should I do?
Powdery mildew on cucumber commonly starts as a whitish, dusty coating on older leaves, then yellowing follows. Remove the worst affected leaves, improve airflow by spacing plants, and water at the base (not on the foliage). If it keeps spreading, treat with a labeled sulfur or potassium bicarbonate product and reapply as directed until new growth stays clean.
How often should I water Cucumis sativus during peak growth to keep fruits from getting bitter or misshapen?
During the main growing and fruiting phase, keep the soil consistently moist—about 1–1.5 inches (2.5–4 cm) of water per week, adjusted for heat and containers. Water deeply 1–2 times weekly rather than a light splash, and aim to prevent swings from dry to soggy, which can cause bitter cucumbers and irregular shapes.
How can I tell when Cucumis sativus cucumbers are ready to harvest?
Harvest when fruits are firm and about 6–8 inches (15–20 cm) long for typical pickling types, usually around 55 days after sowing. Look for glossy, unwrinkled skin and a crisp feel—if seeds look hard or the fruit turns larger/thinner than expected, it’s starting to get past its prime. Pick regularly (every 1–3 days) to keep the plant producing.