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Spinach Seeds, Gigante d' Inverno
Description
(Spinacia oleracea). This European heirloom produces large, broad, deep green leaves well into the fall and winter months in many areas. This flavorful variety comes to us from Italy, and its name translates to “Giant of Winter” in English.
- 55 days to maturity
- 6-10 hours of sun
- Sprouts in 7-14 days
- Ideal Temperature: 45-75 F
- Seed Depth: 1/2"
- Plant Spacing: 6-8"
- Frost Hardy: Yes
Growing Tips
Gigante d'Inverno spinach is well-suited for fall and winter gardening due to its exceptional cold tolerance, making it a favorite for winter greens. It prefers full sun to partial shade and grows best in rich, well-drained soil. Long summer days or hot conditions can cause plants to bolt.
When to Grow
Gigante d'Inverno spinach is best planted in late winter to early spring, as soon as the soil can be worked. This timing allows the plant to establish itself while temperatures are still moderate, preparing it for growth through the colder months. In milder climates, this variety can be grown throughout winter, as it can withstand frost and cooler temperatures better than other spinach varieties.
How to Sow and Plant
To sow Gigante d'Inverno spinach, plant seeds about 1/2 inch deep and 2-4 inches apart. Space rows 12-18 inches apart to give the plants ample room to grow. For container gardening, use a pot at least 6 inches deep to accommodate the roots. Thin seedlings to about 6-8 inches apart once they have a few true leaves. Mulching can help retain moisture and protect the plants during cold spells.
How to Grow
Gigante d'Inverno spinach requires consistent moisture, so water regularly to keep the soil evenly moist but not waterlogged. This will ensure that the leaves are tender and prevent the plant from bolting prematurely. Fertilizing with a balanced fertilizer or compost before planting and during the growing season will support robust growth. Providing some shade during unexpected warm periods can help maintain leaf quality.
How to Save
- In spring, plants will grow tall and bloom (or bolt) as soon as the days are longer than 14 hours. Heat also speeds up bolting, since spinach prefers temperatures between 35 and 75 degrees.
- Commercial spinach seed crops are separated by 5-10 miles. Spinach pollen is so fine that it easily penetrates mesh screening, but is severely restricted by spun polyester fabric.
- Plants are either male or female. Maintain a ratio of one male to two female plants, though this is hard to determine until the seed stalks have formed. Close plantings in wide beds will provide the greatest chance that the ratio will be hit.
- Starting at the bottom of the plants, strip off the seeds (using gloves for the prickly type) in an upward motion, letting them fall into a bag.
- Allow to completely dry and store.
- They will retain 50% germination for up to 5 years when stored in ideal conditions (cool, dry, and dark).
FAQ
Can Gigante d'Inverno spinach be grown in containers?
Yes, it is suitable for container gardening. Use a container that is at least 6-8 inches deep and has good drainage. Fill it with high-quality potting soil, and place it in a location that receives full sun to partial shade. Keep the soil consistently moist for best results.
How long does it take to harvest Gigante d'Inverno spinach?
It typically takes about 55 days. You can start harvesting baby leaves earlier, around 30 days after sowing, for salads. Use the cut-and-come-again method by picking outer leaves, which allows the inner leaves to continue growing, providing a continuous supply.
Can Gigante d'Inverno spinach tolerate frost?
Yes, it can survive light frosts. In areas with severe frost, use row covers or cold frames to provide additional protection to extend the growing season and keep the spinach thriving.
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