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Mt. Whitney (Hybrid)

Onion / Onion – Intermediate

This intermediate mid-season variety is grower friendly and offers consistency. Mt. Whitney is suited for all intermediate growing areas including Mexico. This brilliant white-skin onions offer several layers of skin retention with firmness. Its shape is globe and sizes range jumbo to large with strong top and single centers.

  • High percentage of single centers
  • Brilliant white scale
  • High yielder, very adaptable


Disease Resistance

IR: Pt

Days to Maturity from Direct Seed



Bulb Shape


Bulb Size

Jumbo to Large



Exterior Color


Interior Color

Deep Pink

Relative Maturity


Downloads & Links

Key to Resistance Codes
Foc Basal rot Fusarium oxysporum f.sp. cepae
Pt Pink root Pyrenochaeta terrestris

Resistance Terminology

HR = High resistance: plant varieties that highly restrict the growth and development of the specified pest or pathogen under normal pest or pathogen pressure when compared to susceptible varieties. These plant varieties may, however, exhibit some symptoms or damage under heavy pathogen or pest pressure.

IR = Intermediate resistance: plant varieties that restrict the growth and development of the specified pest or pathogen, but may exhibit a greater range of symptoms or damage compared to “highly resistant” varieties. Intermediately resistant plant varieties will still show less severe symptoms or damage than susceptible plant varieties when grown under similar environmental conditions and/or pathogen or pest pressure.

T = Tolerance: The ability of a plant variety to endure abiotic stress without serious consequences for growth, appearance and yield.


Claims and other disclosed information are based on our observations and/or information from other sources. Crop performance depends on the interaction between the genetic potential of the seed, its physiological characteristics, the environment, including management, and other uncontrollable factors that may alter expected performance. Triploid hybrid watermelon varieties will on occasion produce empty white seed coats or hard, dark undeveloped seeds and, therefore, are not warranted to be completely “seedless”. Statements concerning the reaction of varieties to a specific pathogen, pest or stress are based on evaluation under defined conditions. These reactions can be affected by changes in environmental and biological factors, especially new pathogen races, pest biotypes or vectors of disease agents. Therefore, we give no warranty, express or implied, for crop performance relative to the information given; nor do we accept any liability for any loss, direct, indirect, or consequential, that may arise from any cause. Read all seed package labeling carefully to understand the terms and conditions of sale.