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Onion Seeds, Texas Early Grano
Description
(Allium cepa). Short day. This sweet, white onion has been proudly grown in the Lone Star State since 1944. The Grano onion was originally introduced to the U.S. in 1925 from Valencia, Spain. In the 1930s the Texas Agricultural Experiment Station began an onion breeding program; the Grano was trialed and selected for early maturation and extra-sweet flavor, and thus the Texas Early Grano was born. These extra-sweet and early Vidalia-type onions have a thin skin and supremely mild flavor, so sweet they can be eaten like an apple!
- 100-110 days to maturity
- 6-12 hours of full sun
- Sprouts in 7-14 days
- Seed Depth: 1/4"
- Plant Spacing: 4-6"
- Ideal Temperature: 45-80 F
- Frost Hardy: Yes
Growing Tips, Tricks and FAQs
Growing Tips
Texas Early Grano onion grows best in full sun and well-draining, fertile soil. Consistent watering is highly important, especially during bulb formation. Mulch around the plants to retain soil moisture and suppress weed growth.
When to Grow
This short-day onion performs best in southern regions where day lengths are shorter during the growing season. Start seeds indoors three months before the last expected frost date in spring. Onions begin slowly, so this early start allows for adequate growth before transplanting. Transplant acclimated, stocky seedlings into the garden 4-6 weeks before the last frost of spring, as onions can tolerate light frosts.
How to Sow and Plant
Sow seeds 1/4 inch deep in seed trays or directly into the soil after the danger of frost has passed. Maintain a soil temperature of around 60 F for germination, which takes about 7-14 days. Space plants 4-6 inches apart with 12 inches between rows to give the bulbs plenty of room to develop.
How to Grow
Onions are heavy feeders. Apply a balanced fertilizer or compost tea every 2-3 weeks throughout the growing season. Keep the soil evenly moist but avoid overwatering. As the tops begin to yellow and fall over, stop watering to allow the bulbs to cure before harvest.
How to Save
- Onions will cross with other onions, and occasionally they will cross with scallion types like Welsh onions and Hi Shi Ko bunching onions. Onions will never cross with leeks, chives or garlic.
- If you are growing types that will cross, try to isolate varieties by at least several hundred feet or ideally up to one mile.
- Onions are a biennial seed crop, so you will need to overwinter your first-year roots, ideally by digging them up and storing them for the winter. Replant in early spring, and allow onions to shoot up spikes of purple flowers.
- Let seeds become dry on the plants. Pick seeds when they are hard and dark black, then bring them indoors to finish drying.
- Once dry, separate the seeds from the husks or leave them on and plant them husks and all.
FAQ
How can I use Texas Early Grano onions in cooking?
Their sweet flavor is perfect for fresh salsas, light sautéing, or roasting whole to enhance their natural sweetness.
Do Texas Early Grano onions need a lot of maintenance?
While they are relatively low-maintenance, regular weeding, consistent watering, and occasional feeding are necessary for healthy growth.
How do I prepare the soil for planting Texas Early Grano onions?
Make sure that the soil is loose, and well-draining, and enrich it with compost or a balanced fertilizer to support strong bulb development.
How do I determine day length and first-last frost in my area?
Check out our blog post: Our Experts Answer Questions, Share Resources for links to online guides.
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