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9 votes

Will applying twenty year old cow manure hurt my vegetable garden?

Unless harmful elements fell into your manure during those 20 years without your knowledge, it certainly shouldn't hurt anything. It might not be as potent as properly matured and composted manure, ...
Splambo's user avatar
  • 321
8 votes

My onion plant is dying

When you plant a sprouted onion, the hope is it produces roots at the bottom - if it does, it will keep producing green shoots. It will not, though, produce any onions, as such, but you can use the ...
Bamboo's user avatar
  • 134k
8 votes

Weed Identification

I planted some Oxalis deppei in the garden at my university last year and it looked just like your plant. It had little dark pink flowers and spread like crazy, from 15 bulbs planted in spring I got ...
Alina's user avatar
  • 5,436
7 votes
Accepted

What are these little black bugs on my Chives, Welsh and Spring Onions?

I really can't tell much from the picture. However insects are quite purposeful. If they are on your plants they are not there for a vacation. The most likely candidate are aphids who come in many ...
kevinskio's user avatar
  • 59.9k
7 votes

Will applying twenty year old cow manure hurt my vegetable garden?

Sounds like perfect stuff. You are going into winter, yes? If you are, just put it on top of the beds thickly. This will help keep the weed seeds already in the soil from germinating as well. In ...
stormy's user avatar
  • 40.4k
6 votes

What are these little black bugs on my Chives, Welsh and Spring Onions?

They're onion aphids. They infest my green onions, and garlic. Although visible on the green garlic shoots, they get into the bulb. I've even found them inside garlic imported from overseas. Just ...
Graham Chiu's user avatar
  • 23.3k
5 votes

How can I store onion bulbs?

For 4 months you can try the root cellar. Do not jar or vacuum them - hang them in a mesh bag or lay them out in a wooden crate. Freezing generally turns them to mush that won't grow. 16 months? If ...
Ecnerwal's user avatar
  • 24.4k
5 votes

What's the environmentally safe way to get rid of worms that eat the vegetable plants?

The "cabbage worm" which is really a caterpillar of the cabbage moth is best prevented by preventing the moth from accessing the plant - hoops of floating row cover are commonly deployed over cabbage-...
Ecnerwal's user avatar
  • 24.4k
5 votes

How to push the onion bulb grow the leaf rather than the root?

Onions have an annual growth cycle that is controlled by the day length. Basically, they grow leaves when the day length is increasing and develop the bulb when it is decreasing. So unless you can ...
alephzero's user avatar
  • 11.4k
4 votes
Accepted

Do any bulbing bunching onion varieties multiply like potato onions?

I contacted Baker Creek to find the answer (since they grow both of the varieties I referenced in the links: Crimson Forest and He Shi Ko; He Shi Ko isn't the bulbing type, though—just Crimson Forest, ...
Brōtsyorfuzthrāx's user avatar
4 votes
Accepted

How are onions planted?

To come straight to an answer which may be of relevance to you, consider that the onion family has become adapted to a wide variety of growing environments. One member of that family is the Egyptian, ...
Colin Beckingham's user avatar
3 votes
Accepted

Onions getting pointed tips to stalks?

Your onions are “bolting”, in other words, trying to flower and go to seed. The pointed tips are the flower buds. Flowering can be triggered by cold spells, drought, basically everything that stresses ...
Stephie's user avatar
  • 16.6k
3 votes

What are these little black bugs on my Chives, Welsh and Spring Onions?

Their Black aphids. Mostly harmless. Can weaken plant. A touch of organic baking soda based home made spray with a drop or two of dish soap would eliminate them.
Matt's user avatar
  • 31
3 votes

What are these little black bugs on my Chives, Welsh and Spring Onions?

I've used Nemasys for fruit and veg. They are little worms and should be added to water when watering. Hope it will work. It worked on slugs in my courgette before and it is organic.
Barbora Novotna's user avatar
3 votes
Accepted

How many walking onions will a walking onion produce in a season?

They aren't incredibly fast, but do spread. A single plant I put in about 5 years ago is now a solid patch about 1' by 3' long. I have done some weeding out of plants that spread where I didn't want ...
michelle's user avatar
  • 9,484
3 votes
Accepted

Does garlic being green automatically mean it will sprout?

Did you purchase seed garlic that was spongy? If so, take it back and ask for a refund! Garlic is supposed to be planted when there's a chance for frost. The cold stimulates bulb formation. ...
Graham Chiu's user avatar
  • 23.3k
3 votes

Dubious about potting soil

If you are worried about microbes or arthropods hitching a ride in your soil, you can always sterilize it in the oven. This source suggests 180-200*F for 30 min.
OllieVet's user avatar
  • 338
2 votes

How do I transplant walking onion?

I just transplant them as is and that usually works. Since they will grow from even a small bit of root, and most of the leave removed for cooking, they seem to be pretty resilient. Some people find ...
Graham Chiu's user avatar
  • 23.3k
2 votes

How can I store onion bulbs?

I would plant half NOW and half during the fall. Otherwise, they could easily succumb to botrytis, all of them. Eating them would be good as well. You could eat some of the more mature and leave ...
stormy's user avatar
  • 40.4k
2 votes

Will applying twenty year old cow manure hurt my vegetable garden?

In addition to what has already been stated, I would be careful not to rely on just cow manure. It would be beneficial to mix in other nutrients to the soil depending on the vegetables you are ...
JStorage's user avatar
  • 7,964
2 votes
Accepted

Spring onion regrowth and seeding

If you want your plants to develop flowers don't cut the leaves. The leaves help a plant to do photosynthesis and the bulbs are storage organs. When you regularly cut the leaves, the bulbs grow very ...
Alina's user avatar
  • 5,436
2 votes
Accepted

How many times can an onion regrow?

The common varieties of onions (Allium cepa) are biennials. In the first year they produce a bulb which survives the winter, and in the second year they flower and die. Of course when they are grown ...
alephzero's user avatar
  • 11.4k
1 vote

Why don't my seedlings make true leaves?

How long do you have your grow lights on each day? Try for 14 hours a day.
Kate Rekow's user avatar
1 vote
Accepted

White rot on some of my onions do I need to lift the whole crop

White rot spreads easily through the soil so you want to minimize soil movement with shoes/watering. I don't recommend eating onions that have fungus but if you remove the rotten part and the area ...
Persistent Plants's user avatar
1 vote
Accepted

Beans and Onions Stopped Growing

Mostly patience is helpful in these situations. The weather has been a bit cooler than normal in N. America this spring so your beans and onions may be just reacting to that. hings are about to change ...
Colin Beckingham's user avatar
1 vote

Why doesn't onion bulb sprout?

It may be that the onion you used is the normal, spring planting, crop later in summer type, so it's too early for it to produce green growth - in the northern hemisphere, light levels will be ...
Bamboo's user avatar
  • 134k
1 vote

Why doesn't onion bulb sprout?

Onions are an important staple crop; a lot of research has gone into why they sprout in storage, since once sprouted they lose a lot of value in a marketing context. The more they can be engineered to ...
Colin Beckingham's user avatar
1 vote

Will chives produce a good yield indoors if I transplant them from outside?

Not necessarily - chives are perennial bulbs which die back naturally for winter, hardy down to Zone 3, and will return year on year, in spring lasting up till fall, outdoors. You can try taking some ...
Bamboo's user avatar
  • 134k
1 vote

How do I improve my success rate at growing scallions in bottles of water from onion heads

I've read that potatoes are treated to minimize sprouting while in storage. Maybe something similar is done to onions?
Dr.C.'s user avatar
  • 11

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