Long Bottle Gourd F1 Seeds – Non-GMO Calabash Opo Squash

Long Bottle Gourd F1 Seeds

Grow a vigorous warm-season Asian vegetable with Long Bottle Gourd F1, a hybrid form of Lagenaria siceraria. Also known as bottle gourd, calabash gourd, or opo squash, this vine produces long, smooth fruits with mild white flesh and a tender texture when harvested young.

This Non-GMO F1 hybrid is a good fit for gardeners who can provide full sun, warm soil, generous vine space, and a sturdy trellis. Young fruits are versatile in the kitchen and work well in soups, stir-fries, steamed dishes, braised dishes, and stuffed preparations.

Product Highlights

• F1 hybrid Long Bottle Gourd.
• Non-GMO product trait.
• Long, smooth edible fruit for young harvest.
• Vigorous annual climbing vine.
• Best in full sun and warm, frost-free weather.
• Trellis growing supports vines and encourages straighter, cleaner fruit.

Plant Profile

• Common Name: Long Bottle Gourd
• Botanical Name: Lagenaria siceraria
• Other Names: Bottle Gourd, Calabash Gourd, Opo Squash
• Vietnamese Name: Bầu Trái Dài Lai F1
• Seed Type: F1 Hybrid
• Life Cycle: Annual
• Growth Habit: Vigorous climbing vine
• Light: Full sun
• Fruit: Long, smooth and light green when harvested young
• Soil: Fertile, moist but well-drained soil
• Preferred Soil pH: Approximately 6.0–6.7

Growing Overview

Bottle gourd is a frost-sensitive crop that prefers a long, warm season. Plant outdoors only after frost danger has passed and the soil has warmed thoroughly. In cooler regions, starting seedlings indoors can help provide additional growing time.

Soaking seeds in warm water for about 8–12 hours before sowing is recommended. Sow about 1 inch deep and keep the soil evenly moist during germination without leaving it waterlogged.

Space trellised plants approximately 24–36 inches apart. A strong trellis, fence, or arbor supports the vigorous vines and allows the developing fruits to hang freely, which can help them grow straighter and stay cleaner.

Pollination & Fruit Development

Bottle gourd produces separate male and female flowers on the same vine. Pollinating insects are important for fruit set, and hand pollination can be useful when flowering is abundant but few young fruits develop.

Consistent moisture is especially important during flowering and fruit development. Avoid prolonged waterlogging while keeping the root zone from drying excessively.

Harvest & Enjoy

For culinary use, harvest bottle gourds while they are young and tender, before the rind becomes hard. Young fruit has mild white flesh and can be used much like other tender summer vegetables.

Use it in soups, stir-fries, steamed dishes, braised recipes, stuffed preparations, and a wide range of Asian home cooking.

What to Expect

Because this product is an F1 hybrid, plants grown from the original seed are selected for the characteristics of that hybrid generation. Seeds saved from harvested fruits may not reproduce the same combination of traits in the next generation.

Exact fruit length, days to first harvest, and total production depend on the specific hybrid line and growing conditions. Temperature, sunlight, soil fertility, water, pollination, vine space, and harvest stage can all affect the final result.

Food Safety Note

Bottle gourd is normally eaten when young and non-bitter. If a harvested fruit has an unusually strong bitter taste, discard it rather than eating it because excessive bitterness can indicate elevated cucurbitacins.

Frequently Asked Questions

Does Long Bottle Gourd need a trellis?

A trellis is strongly recommended for this vigorous vine. It saves garden space, keeps fruit cleaner, and allows long fruits to hang more freely.

Should I soak the seeds before sowing?

Yes. Soaking the seeds in warm water for about 8–12 hours before sowing is recommended, then plant them promptly in warm soil.

When should I plant bottle gourd?

Plant after all danger of frost has passed and the soil has warmed. Bottle gourd is frost-sensitive and performs best in warm, sunny conditions.

When should the fruit be harvested for cooking?

Harvest while the fruit is young, tender, and before the outer rind becomes hard. Exact harvest timing varies with the hybrid line, temperature, and growing conditions.

Can I save seeds from the harvested fruit?

You can save seed, but because this is an F1 hybrid, the next generation may not grow true to the original hybrid and may show different fruit or plant characteristics.