55-60°F.
Spinach (Spinacia oleracea) is a hardy cool weather crop, grown for use as a cooked green vegetable or for salad greens. Temperature for optimum production and high quality is 55-60°F with day length of approximately 12 hours.
What climate does spinach grow best?
Optimum growing temperature is 50⁰ F to 60⁰ F, but young seedlings can tolerate temperatures as low as 15⁰ F to 20⁰ F. Try to keep the soil consistently moist because spinach will bolt if the soil dries out. When spinach bolts, it sends up a strong central stem to produce seed, and it becomes bitter and inedible.
Where is spinach grow best?
Spinach grows well in full sun to partial shade. Spinach prefers moist fertile soil with neutral to alkaline soil (pH 7.0 or above). Prepare the soil before planting by amending with 2-4 inches of compost. Good companion plants for growing spinach include radishes, strawberries, and garlic.
What season do spinach grow best in?
When is the best time to plant spinach? In late winter or early spring for a fast crop and again in late summer or early fall, after the hottest temperatures have passed. Spinach is a cool-weather vegetable.
Does spinach do well in hot weather?
Greens, like spinach, grow best when temperatures are cool. This means that seeds are most commonly planted so that the plant can be harvested in the spring and/or fall. In fact, warm weather can greatly impact the taste of these plants, causing them to become bitter or tough.
Does spinach need a lot of water?
Water spinach frequently to keep the soil evenly moist but not soggy. Regular watering is essential in warm weather to prevent bolting. In general, spinach needs around 1 to 1 1/2 inches of water per week. Rather than a weekly deep watering, it’s better to water several times a week.
What temperature is too hot for spinach?
The optimal temperature for germination is 70°F; spinach seeds will germinate more slowly at temperatures as low as 35°F. Spinach will not germinate in soil temperatures greater than 85°F.
Is spinach easy to grow?
Spinach is high in nutrients and is fast and easy to grow as a cut-and-come again ‘baby-leaf’ vegetable or for larger leaves. It can be grown all year round if you choose the right varieties and works well in containers too.
Why is spinach hard growing?
Sometimes spinach seeds won’t germinate because the weather is too hot or too cold. The good news is that, if it is too cold, the seeds will germinate as soon as the weather warms up. Poor soil moisture can also lead to poor germination so be sure to water evenly and regularly.
How often should spinach be watered?
About 1″ of water per week is best for spinach. But in warmer weather, bump that number up by half an inch. Regular, shallow watering is better than one deep watering per week.
What is the best fertilizer for spinach?
Once your spinach plants are established, you can use a balanced fertilizer. A fertilizer with a bit more nitrogen might work even better. Something like 10-10-10 is successful, but a 15-10-10 is preferred. Before planting, use a granular fertilizer.
How do you grow a lot of spinach?
How to Plant Spinach. Sow seeds 1/2 of an inch deep every 2 inches and cover with 1/2 inch of soil. Plant in rows 12 to 18 inches apart or sprinkle over a wide row or bed. Sow every couple of weeks during early spring for a continuous harvest.
Can you grow spinach all year round?
Spinach is tasty, nutritious and easy to grow. You can even enjoy harvests all year round if you grow several different types. Winter cultivars need a sunny position, while summer varieties benefit from a little shade.
What grows well with spinach?
Best Companion Plants For Spinach
- Alliums: Onions, garlic and leeks are a spinach gardener’s best friends!
- Brassicas: Brassicas such as broccoli, cabbage and cauliflower are great companions for spinach.
- Lettuce: Lettuce is spinach’s best friend!
- Nasturtium:
- Peas:
- Potatoes:
Is spinach drought resistant?
Adaptability to climate extremes.
Malabar spinach is very drought tolerant and while it won’t grow to its full potential in dry conditions, it will produce scrumptious greens. This summer green can also tolerate saline soils and short periods of flooding.
How do you protect spinach?
Use reflective mulch or lay sheets of aluminum foil under the plants. Carbaryl and pyrethrum insecticides sometimes help reduce serious infestations. Slugs and snails – Slugs and snails also leave holes in spinach leaves.
Will spinach grow back after cutting?
Once you’ve harvested your spinach, all you need to do is water it and wait patiently for the next harvest. Spinach leaves will regrow in just a matter of days.
Can fertilizer on spinach?
To fertilize spinach, apply calcium nitrate at a rate of 1 pound per 100 square feet or 30 feet of row. You can also use 1/2 cup of a nitrogen-based fertilizer per 10 feet of row. Apply the fertilizer at least 4 inches away from the plants, as fertilizer can burn the plant roots.
What kind of soil does spinach like?
Spinach grows well in a wide variety of soils, but like most crops, it does best when the soil is well amended with lots of organic matter, especially compost. The ideal pH range for spinach, like many common vegetable crops, is 6.5 to 7.0.
What are the problems of spinach?
Spinach
| Diseases | ||
|---|---|---|
| Anthracnose Cladosporium leaf spot Damping-off/Seedling blight | Downy mildew Fusarium wilt Stemphylium leaf spot | Verticillium wilt |
| Lygus bugs Spinach leafminer | Spider mites Springtails | Wireworm |
| Abiotic Problems | ||
| Edema | Herbicide injury |
How many days does it take for spinach to mature?
37 to 45 days
Spinach is a cool-season crop that will flower or bolt when the sun is high and temperatures are warm. Most varieties mature in 37 to 45 days and can be harvested as soon as it is a rosette with five or six leaves.