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Why can't I grow spinach?

Posted by organic_mamag Z6 IN (My Page) on
Sun, Jan 11, 09 at 12:18

I have tried to grow spinach several times but I just can never get it to work. I must be doing something wrong.

I know that spinach will only do well when it is cool and I know that it shouldn't be overcrowded. I have done that. My spinach does grow. The problem is that it never gets very big. There are almost no stems to speak of and the leaves never get bigger than 1 or 2 inches, tops. Last fall I ended up with tons of tiny little plants. They stayed the same size for weeks until the cold finally got them. I kept waiting for them to get bigger but that never happened.

What can I do differently to get spinach plants that are worth picking to eat? Any suggestions?


Follow-Up Postings:

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RE: Why can't I grow spinach?

Assuming that your plants are healthy and free of root diseases, adding some nitrogen source will probably get your size up to par.


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RE: Why can't I grow spinach?

  • Posted by shebear z8 NCentralTex (My Page) on
    Sun, Jan 11, 09 at 14:04

Yeah that nitrogen thing sounds like the problem. When are you planting them? Check you soil temps. They don't like to germinate when the soil is to hot but if it's too cool they grow slow. Once they get some size to them they come back fast after cutting. Are you growing savoyed or smooth leaf?


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RE: Why can't I grow spinach?

N is not always the answer to stunted growth. If the leaves are dark green, then N is not the problem. Not all spinaches are not the same, check the characteristics of the variety you have been growing. Also, try an early spring planting.


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RE: Why can't I grow spinach?

There have been lots of posts about this topic. I always do spinach starts (will plant soon) and transplant to the garden in late March, depending on wetness. With transplants you can be sure to leave plenty of room for each plant (4"-6" from the next) and you don't have to thin (hard on the back and hard to really pull out all those extras and sometimes nothing will sprout in an area)
I remember some have said the starts will bolt and not grow but I have never had that problem... they do bolt if we have a hot spell in late spring.

I learned a few years ago that I have to lime the area where I plant the spinach that year. Since I've been doing that I only have to deal with the leaf miners and the hot weather and the newly arrived woodchuck(s?) and rabbits.


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RE: Why can't I grow spinach?

corapegia-

How are you doing your spinach starts? I have excellent results in the garden, but can get the seed to germinate inside. People have suggested it is too warm where I'm trying to start them and I believe that is correct. Do you have any tips to starting inside?

organic_mamag -
Have you tried growing spinach in spring? I also can not get spinach to grow well in the fall. They stay small or do poorly. I'm still working on a solution.

For the last two years, I've planted seed on 4/22 (late, had to build the garden first) and 3/30 for spring growing. My last frost date is April 15. I plant nine seeds to the square foot (I do square foot gardening). My beds are pretty rich with compost, so I don't add anything or fertilize as they grow. I've had really good luck with the following varieties: Bloomsdale Longstanding (big), Noorman (bolts late) and Merlo (Italian).

For fall growing, I want to try transplants, but as I said above, I'm having poor luck.

Bloomsdale Longstanding (it grew bigger):
Photobucket

Merlo (next to the woodchuck-demolished peas)
Photobucket

Hope spring works better for you,
Bellatrix


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RE: Why can't I grow spinach?

  • Posted by glib 5.5 (My Page) on
    Sun, Jan 11, 09 at 19:10

spinach is affected by low pH too, and is also fussy about watering. I would try some lime or wood ash. To save time, you could try one row only urea, one only wood ash, one both.
water often.


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RE: Why can't I grow spinach?

Bella,
I usually pre-sprout the spinach seeds in damp paper towel, inside a ziplock bag. Once the tiny sprout appears on the seed, I plant them in 4packs of Pro-mix.
I often put the ziplock in the fridge for a couple of days to start, take out the seeds that have sprouted and return the bag to the fridge and repeat. A little crazy but I sometimes use a jeweler's loup and very big tweezers for this job(my eyesight is not what it used to be) It seems like a lot of work but I get very spotty germination when direct seeding in the garden and we often get hot springs lately. This way I can get the spinach in very early. I do the same with bok choy and other early greens like escarole.


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RE: Why can't I grow spinach?

I've had by far the best results by planting in mid-august, over-wintering the plants, and giving them a shot of nitrogen in the early spring, say mid-March.

The plants send down a tap root, and that keeps on growing until the ground freezes. The plants stay green under the snow, but will brown out if it's too dry on the surface. But the plants will shoot new leaves as soon as there is enough moisture and sunlight. Harvest is early - mid June, until it starts getting hot, or I need the bed for something else.

We have alkaline soils, which may well be a factor. We also have deer, who do indeed like their vegetables, particularly fresh green ones early in the spring. But by mid-March, night time temps will rarely get below 25ºF, its low-mid 50's during the day, lots of sun here, and the plants grow surprisingly well.

I've tried this with Bloomsdale Long Standing as well as Giant de Veuvrey (sp)


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RE: Why can't I grow spinach?

Check out the Winter Sowing forum. This might be the ticket for you. I had no luck last Fall, but WS'd two containers of spinach today. Folks on the forum say they have good luck with spinach and WSing.


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RE: Why can't I grow spinach?

I have this problem too. The spinach I direct sowed in my raised bed on Aug 1st are still tiny. The nice thing is they appear to be still alive, at least as of Jan. 1st. So I'm hoping I'll be able to do what david52 suggests above, and harvest them in the spring.


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