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- Days to maturity
- 65 days
- Listed for
- United States
Overview
Long Green Improved dates back to at least 1842 and served as the standard American cucumber for both slicing and pickling long before hybrids took over. It remains one of the oldest open-pollinated cucumbers you can still buy. The vigorous vines carry dark green, sometimes lightly ribbed fruit; harvest it young for the pickle jar, or let it reach 10 to 12 inches for slicing; the flesh is crisp and mild and holds up in hot weather. Like other old monoecious varieties, it needs both male and female flowers to set fruit, so sow a full row instead of one or two hills. A trellis keeps the long fruit straighter and lifts it off damp soil where disease starts. To save seed, let a few fruit ripen fully to yellow.
Long Green Improved traits
- Heirloom slicing and pickling type, pre-1842
- Dark green, faintly ribbed fruit 10 to 12 inches
- Crisp, mild flesh that tolerates heat
- Vigorous vines, best trellised
- Monoecious; plant a full row for pollination
- Open-pollinated, seed saves true
Good for
- Fresh slicing
- Pickling when picked small
- Seed saving
Compare with other cucumber varieties
Blank cells mean there is no data on record. Select a variety name to open its page.
| Variety | Days to maturity | Growth habit | Type |
|---|---|---|---|
| Long Green Improved this page | 65 days | — | — |
| Ashley | 65 days | — | — |
| Crystal Apple | 65–75 days | — | — |
| Everbearing | 65–75 days | — | — |
| Ivory Queen | 65 days | — | — |
| Lemon | 65–68 days | — | — |
| Monastic | 65 days | — | — |
Long Green Improved FAQ
What kind of cucumber is Long Green Improved?
Long Green Improved dates back to at least 1842 and served as the standard American cucumber for both slicing and pickling long before hybrids took over. It remains one of the oldest open-pollinated cucumbers you can still buy.
How many days to maturity is Long Green Improved?
Long Green Improved is listed at 65 days. Sowing and planting times are the same as for other cucumber varieties, so check them in the cucumber growing guide.
How does Long Green Improved compare with other cucumber varieties?
Long Green Improved: 65 days. Similar cucumber varieties include Ashley (65 days), Crystal Apple (65–75 days), Everbearing (65–75 days). The comparison table on this page lists days to maturity, growth habit and type side by side.
What is Long Green Improved good for?
Long Green Improved is grown for fresh slicing, pickling when picked small, seed saving.
Sowing, care and common problems
Sowing times, care and common problems are the same for every cucumber variety, so they are covered once in the growing guide.
- Cucumber growing guide
- How to Plant Cucumbers: Spacing, Soil and Putting Up Supports
- Pruning Cucumbers: Removing the Lowest Side Shoots and Topping the Vine
- How Often to Water Cucumbers and When to Feed Them
- Cucumber Growing Calendar: What to Do Through the Season
- Cucumber Diseases and Pests: Keeping Mildew Out of the Crop
- When to Pick Cucumbers and Why They Come Out Curved
- All 241 cucumber varieties
Source
Source: Cornell University (CALS Garden-Based Learning)
The text on this page is our own summary written from the published variety record, not a copy of it.