Growing Guides

Onion Crystal Wax White

Onion Crystal Wax White is a mild, white onion variety known for smooth, round bulbs and reliable performance in home gardens. It is especially valued for fresh use, bunching, and small-to-medium bulb production, depending on spacing and growing season.
This onion performs best in full sun and fertile, well-drained soil with steady moisture. It is an excellent choice for growers who want clean white bulbs with crisp texture and versatile kitchen use.
With proper thinning, weed control, and consistent watering, Crystal Wax White develops uniform plants and quality bulbs suitable for fresh market and home storage use.

How to grow Onion Crystal Wax White from seeds:

• Sowing: Start indoors 8-12 weeks before transplanting, or direct sow outdoors as soon as soil is workable. Sow seeds 1/4" deep in rows 12-18" apart. Keep soil evenly moist during germination.
• Plant Spacing: Thin or transplant to 3-4" apart for bunching onions, or 4-6" apart for larger bulbs.
• Growing of Onion Crystal Wax White: Onions need full sun and low weed pressure. Water consistently, especially during early growth and bulb sizing. Feed lightly with nitrogen early in development, then reduce fertilization once bulbs begin to form.
• Onion Crystal Wax White Soil Requirements: Loose, fertile, well-drained soil with moderate organic matter; avoid compacted or waterlogged beds.
• Onion Crystal Wax White Seeds Days to Germination: About 7-14 days under suitable temperature and moisture conditions.
• Light Preference of Onion Crystal Wax White: Full Sun.
• Life Cycle of Onion Crystal Wax White: Biennial grown as an annual for bulb production.
• How and When to Harvest Onion Crystal Wax White: Harvest early as green onions when tops are pencil-thick. For mature bulbs, harvest when tops naturally fall and begin drying. Cure bulbs in a dry, airy, shaded location before trimming and storage.
• Onion Crystal Wax White Days to Maturity: Approximately 95-110 days, depending on climate and day-length fit.
• Onion Crystal Wax White Seed Saving: Save seed in the second year: select healthy bulbs, replant for flowering, collect dry seed heads, clean seed thoroughly, and store in a cool, dry place.

FAST FACTS:

• Common Names: Crystal Wax White Onion, White Wax Onion
• Latin Name: Allium cepa
• Species Origin: Cultivated onion (historically linked to Central/Southwest Asia)
• Type: Open Pollinated, Heirloom-Style, Cool Season
• Life Cycle: Biennial (grown as annual)
• USDA Zones: Widely grown in 3-10 (best performance depends on day-length adaptation)
• Seeds per Ounce: Approximately 7,000-9,000
• Sunlight: Full Sun
• Height: 12-18 Inches (foliage)
• Color: White bulb, green tops
• Uses: Fresh use, bunching, salads, cooking, light storage