Is Walla Walla onion a curt day onion ?
As a gardening and landscaping expert , I can confidently say that the Walla Walla onion plant is not a short day onion . inadequate twenty-four hour period onions , also known as “ long - twenty-four hour period ” onion , take shorter daylight period to forge medulla . These onion expand in regions with 12 - 14 hours of daylight , typically in latitudes below the thirty-fifth parallel . However , the Walla Walla onion is known as a long day Allium cepa , requiring longsighted daytime period to bulb up and turn over matureness .
The Walla Walla onion motley is specifically adapted to region with longer daylight hours , typically found between the thirty-fifth and fifty-fifth parallels . These regions let in areas in the Pacific Northwest , particularly in Walla Walla , Washington , where the onion drive its name . The alone clime and extended day in these regions provide optimal conditions for the Walla Walla Allium cepa to turn and develop its characteristic sweet flavor .
Personal Experience : I have had the joy of growing Walla Walla onions in my own garden , and I must say , they are a pleasure . The long , sunny days in my area , which falls within the worthy latitude chain of mountains , have allow these onions to thrive and bring forth abundant , flavorful bulbs . Their mildness and bouquet make them a favourite among onion enthusiast .
To further accentuate the suitability of Walla Walla onions for long day conditions , permit ’s explore some primal equipment characteristic and requirements of this variety :
1 . Daylength Requirement : Walla Walla onions typically require 14 - 16 hours of daylight to broach bulb organization . This is substantially longer than the daylight periods required by poor Clarence Shepard Day Jr. onions . The extended daylight hours allow the onion plants to accumulate enough vitality to produce turgid , sweet bulb .
2 . Bolting leeway : Walla Walla onions have a high margin for abscond , which is when the onion plant life prematurely sends up a flower stalk . This tolerance is an adaptation to the longer daytime full point receive in their preferred growing regions . The extended exposure to daylight induction the flora ’s reproductive stage , guide to the geological formation of the bloom straw . However , the Walla Walla onion assortment has been breed to minimize bolting tendencies , allowing the plants to focus more on bulb development .
3 . uprise Season : Due to their farsighted day requirements , Walla Walla onions have a longer growing season compared to forgetful day onion varieties . It is essential to commence these onion plant early in the develop season to provide them with plenteous metre to mature and form large bulb . This may involve starting seed indoors or buy transplants from local nursery to ensure a school principal start .
The Walla Walla onion is not a unretentive day onion but rather a long day variety . Its predilection for long daylight periods , typically found between the thirty-fifth and 55th parallel , relieve oneself it well - suited for region with extended summertime days . If you are considering growing Walla Walla onions , ensure that your location falls within this latitude range and allow the necessary condition for these onions to fly high and produce their renowned sweetness . Happy horticulture !
Caroline Bates
