Spinach: Bloomsdale Longstanding (Heirloom) (Spinacia oleracea)
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General Information
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Soil Preparation & Start Indoors
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Transplant Outdoors & Start Outdoors
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Crop Care
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Harvesting & Storage
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Seed Saving
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Culinary & Medicinal
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Companion Planting
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Nutrition & Health Benefits
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Other Uses
Native Range: United States
Ease of Growing: Easy
Grown as: Annual, or Biennial for seeds.
Days to Maturity: Spring/Summer 43 days, Fall/Winter 49-70 days
Hardiness: Super Hardy. Spinach is temperamental when it comes to heat and long days. Keep it evenly moist without soaking leaves.
Crops: Spring Transplant, Spring, Fall Transplant, Fall
Growing Season: Short
Growing Conditions: Cold, Cool, Warm. More than any other common crop, spinach doesn't like warm weather. It actually germinates best at only 50 degrees F. It germinates more rapidly at higher temperatures, but at 70 degrees F only about half the seeds will germinate. Spinach bolts when exposed to long summer days, so it is usually grown as a spring or autumn crop. It's much less prone to bolting in the shorter, cooler days and the leaves grow larger and more succulent. Each plant doesn't produce very much, so it is usually grown in wide intensive beds. Raised beds are good because they warm up quickly in spring and tend to be well drained.
Outdoor Growing Temp: 45°F - 75°F
Min Outdoor Soil Temp: 45°F. Spinach germinates well at low temperatures.
Start Indoors: Yes
Start Outdoors: Yes
Light: Sun: min. 6 hours daily (Cool). Spinach needs full sun for good growth, particularly for a fall or over-wintering crop. Spinach doesn’t like heat and in warmer areas it should be planted in a shady site.
Water: Moderate. Keep the soil evenly moist (not wet) otherwise it may bolt. Fortunately this isn't usually a problem in the cool weather preferred by spinach. Try to avoid splashing mud on the leaves as it can make them gritty.
Feeder: Moderate. Spinach needs a moderate amount of nitrogen and potassium and a fairly small amount of phosphorous.
Suitability: Tolerates light frost, Tolerates hard frost, Needs summer shade
Small Gardens?: Yes
Containers?: Yes. Spinach can work well in containers, though they need to be sufficiently large (ideally a two gallon pot for each plant). In larger containers allow 12" between the plants for best growth. In warmer areas you should use light colored pots to reduce heat absorption.
Attracts beneficial insects?: No
Forage: Rabbits. Safe in Moderation!
Plant Height: 12-18"
Spacing: 6"-8"
Sow Depth: 1/4"-1/2"
Produces: thick, wrinkled, dark green leaves.
Hardiness Zone: 2-11
Garden Uses: Vegetable.
Soil Preparation
Soil pH: 6.0-7.0, Ideal 6.3-6.8: A light, well-drained soil works best because spinach is grown in cool weather and such soils warm up faster. The ideal soil is rich in humus, moisture retentive, and contains lots of nitrogen and potassium. This plant is quite sensitive to pH (both extremes may cause deficiency), so adjust if necessary. Spinach is quite tolerant of saline soils.
Soil Preparation:
Standard Mix, 5 pounds per 100 sq. ft., in top 6" of soil, 1 time: A standard mix will supply additional nutrients. Incorporate it into the top 6˝ of soil along with the compost. This is a mix of various amendments intended to supply all of the nutrients plants may require. It is usually incorporated into the soil prior to planting. The mix consists of:
- 4 parts cottonseed meal (this is high in nitrogen and relatively inexpensive)
- 2 parts colloidal phosphate or bone meal (for phosphorus)
- 2 parts wood ash or 3 parts greensand or granite dust (for potassium)
- 1 part dolomitic limestone (to balance pH and add calcium and magnesium)
- 1 part kelp meal (for trace elements)
Mix these together thoroughly. You can do this all at once, or you can store them separately and mix as needed.
Compost (Nitrogen), 2" in top 6" of soil, 1 time: Spinach likes organic matter, so incorporate 2˝ of compost or aged manure into the top 6˝ of soil (where most feeder roots are found). Spinach loves manure and will even thrive in soil containing fresh manure (though ideally this should be incorporated into the soil the previous autumn).
Black plastic, 1 layer to warm soil, 1 time: Spinach sown directly into cold spring soil will be slow to germinate, so you may want to warm the soil with black plastic or cloches.
Start Indoors
Soil temp for germination: 35°F to 75°F, optimal 50°F to 65°F, optimal 50°F
Total weeks to grow transplant: 6 (Spring/Summer), 7 to 10 (Fall/Winter)
Germinate:
8 weeks before first frost date: Spinach doesn’t like transplanting (it can cause bolting), but it can be started indoors in soil blocks or cell packs.
1. Sow seeds 1/2" deep.
2. You can even multi-plant it to get several seeds per block.
Don’t get it too warm, otherwise it won’t produce well when transplanted outdoors.
Germinate:
8 weeks before last frost date: You must sow Spinach early if you are to get a useful crop before heat or long days cause it to bolt. Spinach doesn’t like transplanting (it can cause bolting), but it can be started indoors in soil blocks or cell packs.
1. Sow seeds 1/2" deep.
2. You can even multi-plant it to get several seeds per block.
Don’t get it too warm, otherwise it won’t produce well when transplanted outdoors.
Transplant Outdoors
4 weeks before first frost date: Once seedlings are large enough transplant them outdoors at their final spacing of 4 to 6".
Cold, Cool, Warm: More than any other common crop, spinach doesn't like warm weather. It actually germinates best at only 50 degrees F. It germinates more rapidly at higher temperatures, but at 70 degrees F only about half the seeds will germinate. Spinach bolts when exposed to long summer days, so it is usually grown as a spring or autumn crop. It's much less prone to bolting in the shorter, cooler days and the leaves grow larger and more succulent. Each plant doesn't produce very much, so it is usually grown in wide intensive beds. Raised beds are good because they warm up quickly in spring and tend to be well drained.
When outdoor temp: 45°F to 75°F, optimal temp 60°F to 65°F
When min soil temp: 45°F. Spinach germinates well at low temperatures.
Spacing: 6-8", 4 plants per sq ft. Square Foot: 3" apart in 3 rows.
Intensive: 4-8" apart.
Support: No
Start Outdoors
When outdoor temp: 45°F to 75°F, optimal temp 60°F to 65°F
When min soil temp: 45°F. Spinach germinates well at low temperatures.
Seed Depth: 0.25"-0.5". Spinach is normally sown into fairly cold soil, so is usually planted at a shallow depth.
Spacing: 6-8", 4 plants per sq ft. Square Foot: 3" apart in 3 rows.
Intensive: 4-8" apart.
Spring Crop:
4-6 weeks before last frost date: You must sow Spinach early if you are to get a useful crop before heat or long days cause it to bolt. Spinach sown directly into cold spring soil is slow to germinate, so some gardeners pre-germinate it first. Alternatively you could warm the soil with plastic or cloches.
1. Sow the seed 1/2˝ deep (1/4˝ in cold soil) and 1-2˝ apart (either broadcast or in wide rows).
2. Some gardeners mark the location of the slow germinating seeds by sowing a few Radishes along with the Spinach.
Fall Crop:
4-8 weeks before first frost date: Spinach does best as a fall crop, because the days are getting shorter and it doesn’t bolt so readily. The soil must be cool enough for good germination however. You can sow the seeds 4-8 weeks before the first autumn frost date, depending upon your conditions. In areas with mild winters, some varieties of Spinach can be grown as a winter crop. They are hardy down to 25˚ F and don’t bolt in the cool, short days. Spinach won’t take hard frost unprotected, but it can be grown in harsher climates, if it is under the cover of cloches or cold frames. The key to success as a winter crop is for the plants to get big enough before cool weather hits. They will then continue to grow throughout the winter. If they are not big enough, they will just sit there looking sorry for themselves.
1. Sow the seed 1/2˝ deep (1/4˝ in cold soil) and 1-2˝ apart (either broadcast or in wide rows).
2. Some gardeners mark the location of the slow germinating seeds by sowing a few Radishes along with the Spinach.
Support: No
Water Needs: Moderate. Keep the soil evenly moist (not wet) otherwise it may bolt. Fortunately this isn't usually a problem in the cool weather preferred by spinach. Try to avoid splashing mud on the leaves as it can make them gritty. Watering, regularly: Water, 0.5 inch, regularly, 2 times a week Keep the soil evenly moist for best growth.
Fertilizer Needs: Moderate. Spinach needs a moderate amount of nitrogen and potassium and a fairly small amount of phosphorous.
Thinning, after sowing: 3" apart, after sowing, 1 time. Spinach can bolt if overcrowded, so thin the plants carefully to 2-4˝ apart when they have all emerged.
Protecting, when 3" tall: Row cover, 1 layer, when 3" tall, 1 time. Spinach is commonly attacked by leaf miners. If they become very bad you may have to protect them by covering with a layer of row cover.
Thinning, when 4" tall: 6" apart, when 4" tall, 1 time. When the plants are 4˝ high, thin them again to a final spacing of 4-8˝ (this time the thinnings will be big enough to eat). Usually you will thin/harvest every other plant to begin with. If you desire delicious young tender Spinach, you can plant Spinach closer together than the variety requirements but you must constantly thin the outer leaves. Leave at least 6 leaves on the plant. Don’t let leaves get larger than 6”.
Side Dressing, when 4" tall: Compost tea, 5 gallon(s) per 100 sq. ft., when 4" tall, every 3 weeks
Spinach likes nitrogen, so give the plants a feed of compost tea or liquid kelp (use as directed) when it starts to produce harvestable leaves.
Support: No
Harvesting
Storage
Storage Req: Freezer
Storage Temp: 32°F
Storage Length: 1-180 days
Use the leaves as soon as possible after harvest, as they only last for a few days in a plastic bag in the fridge.
Storage Req: Refrigerator
Storage Temp: 35-40°F
Storage Length: 1-5 days
Spinach is wind pollinated and to keep it pure it must be isolated from other varieties by at least a 1/2 mile. Female plants may grow to 4 feet in height and produce a lot of seed.
Seed Viability in Years: 2-4 years
Germination Percentage: 60%
Culinary
Leaves: raw or cooked. Tender young leaves can be added to salads, older leaves are used as greens or added to soups etc. Chlorophyll extracted from the leaves is used as an edible green dye.
Seeds: raw or cooked. It can be sprouted and added to salads.
Known Hazards: The leaves of most varieties of spinach are high in oxalic acid. Although not toxic, this substance does lock up certain minerals in a meal, especially calcium, making them unavailable to the body. Therefore mineral deficiencies can result from eating too much of any leaf that contains oxalic acid. However, the mineral content of spinach leaves is quite high so the negatives are to a large extent outweighed by the benefits. There are also special low-oxalic varieties of spinach that have been developed. Cooking the leaves will also reduce the content of oxalic acid. People with a tendency to rheumatism, arthritis, gout, kidney stones or hyperacidity should take especial caution if including this plant in their diet since it can aggravate their condition.
Medicinal
Companion Planting
Problems
Leaf Miners
Nutrition
Health Benefits of Spinach
Improves Eyesight: Spinach is a rich source of beta carotene, lutein and xanthene, all of which are beneficial for eyesight. Beta carotene is supplied to the eyes by cooked spinach. It can prevent people from suffering from vitamin A deficiency, itching eyes, eye ulcers and dry eyes. This is also due to some of the anti-inflammatory properties of spinach, which can reduce the puffiness or irritation in the eyes.
Treats Macular Degeneration: AMD or Retinitis pigmentosa is responsible for causing blindness. It is due to the degeneration of lutein and xanthene which form a central part of the retina. According to research conducted by the Oak Ridge National Laboratory, the consumption of spinach can result in regaining two vital pigments and effectively preventing AMD. Spinach also contains a wealth of antioxidants that reduce the harmful effects of free radicals, which are known to negatively impact vision and cause age-related conditions like glaucoma and macular degeneration as well.
Provides Neurological Benefits: Several components of spinach like potassium, folate, and various antioxidants are known to provide neurological benefits to people who regularly consume them. According to Neurology, folate reduces due the occurrence of Alzheimer’s disease, so spinach is a very good idea for people who are at high risk of neural or cognitive decline. Potassium is an integral part of brain health as well, and it has been linked to increased blood flow to the brain, and heightened cognition, concentration, and neural activity.
Maintains Blood Pressure: Spinach has a very high content of potassium and a low content of sodium. This composition of minerals is very beneficial for high blood pressure patients as potassium lowers and sodium raises the blood pressure. The folate present in spinach also contributes to the reduction of hypertension and relaxes blood vessels, while maintaining proper blood flow. By reducing blood pressure and relaxing the tension of vessels and arteries, you can reduce stress on the cardiovascular system and increase oxygenation to the body’s organ systems for optimal functionality.
Strengthens Muscles: A component of spinach, factor C0-Q10, which is an antioxidant, plays an important role in strengthening muscles, especially heart muscles which continuously pump blood to all parts of the body. According to the Journal of Cardiovascular Nursing, C0-Q10 can be used to prevent and treat many cardiovascular diseases like hyperlipidemia, heart failure, hypertension and coronary heart disease.
Helps in Bone Mineralization: Spinach is a good source of Viatmin K, which functions in retaining calcium in the bone matrix, thereby leading to bone mineralization. Apart from this, other minerals like manganese, copper, magnesium, zinc and phosphorus also help in building up of strong bones. This in turn can prevent an individual from developing osteoporosis of the bones. These minerals are also essential for maintaining healthy teeth and nails.
Reduces Risk of Cataracts: The lutein and zeaxanthin present in spinach both act as strong antioxidants, thus preventing the eyes from the harsh effects of UV rays that can lead to cataracts. They also reduce the impact of free radicals, which can be a major cause of cataracts and other eye conditions.
Increases Your Metabolism: There is a reason why doctors recommend adding spinach in a significant way to your diet. The amount of protein found in spinach is impressive for any vegetable, and they are easily broken down by enzymes into amino acids that are essential to humans. The re-formed mammal proteins aid our muscle development and growth, our body’s ability to heal wounds, and provides a boost for our entire metabolism, encouraging all of our organ systems to function at their optimal level. Also recent study suggests that Thylakoid found in spinach can curb cravings and hunger which can further help in weight loss.
Acts as Anti-ulcerative: It has been found that spinach and some other vegetables have the ability to protect the mucous membrane of the stomach, thereby decreasing the occurrence of gastric ulcers. Furthermore, the glycocyclerolipids found in spinach can boost the strength of the digestive tract lining, thereby preventing any unwanted inflammation in that part of the body that can cause harm.
Prevents Atherosclerosis: Atherosclerosis is caused due to the hardening of the arteries. A pigment called lutein that is found in spinach has been shown to reduce the occurrence of atherosclerosis, heart attacks, and strokes. This is due to the fact that spinach proteins tend to reduce the cholesterol and other fat deposits in the blood vessels.
Helps with Fetal Development: Folate found in spinach is needed by a growing fetus for proper development of its new nervous system. Defects like cleft palate or spina bifida may occur due to a deficiency of folate. The vitamin A contained in spinach is advised to be consumed in higher quantities by the mother. Vitamin A is required in the lung development of the fetus as well, and can be transferred during breast-feeding, so spinach consumption should be continued after birth as well.
Reduces Inflammation: There are many anti-inflammatory compounds found in spinach, more than a dozen, in fact. They are classified into the category of methylenedioxyflavonol glucuronides, and spinach is one of the most powerful vegetables when it comes to reducing inflammation throughout the body. This not only means protecting the heart from dangerous inflammation and preventing cancer, but also in reducing the inflammation and associated pain from conditions like arthritis and gout, which afflict millions of people around the world.
Treats and Prevents Cancer: Spinach is made up of various important constituents that have been found to be promising in the treatment and prevention of various kinds of cancer. These include bladder, prostate, liver and lung cancers. Different constituents in spinach like folate, tocopherol, and chlorophyllin act via different mechanisms to treat and protect patients suffering from cancer.
Recent studies have revealed that spinach is very effective against aggressive prostate cancer, and this has been linked to epoxyxanthophylls, which are unique carotenoids, along with neoxanthin and violaxanthin, that directly reduce tumorous activity and the spread of cancer throughout the body.
Protects Skin: Different phytonutrients and pigments have been shown to protect the skin from the harmful rays of the sun, including UV rays. These not only protect, but also repair the damaged genes to some extent, thereby preventing skin cancer in the long run.
Provides Protein for Infant Growth: ‘Popeye the Sailor Man’ is known for his obsession with spinach. The cartoon was deliberately aimed to convince children to eat spinach and get strong. Infants are advised to be fed with spinach, which is rich in protein, vitamins, minerals and phytonutrients. These will result in proportionate development in their essential growing stages.
Suggested Varieties
Beans: Black Turtle (Heirloom) (Phaseolus vulgaris)
Beans: Blue Lake Bush #274 (Heirloom) (Phaseolus vulgaris)
Beans: Contender Bush (Heirloom) (Phaseolus vulgaris)
Beans: Gold Rush Yellow Wax (Heirloom) (Phaseolus vulgaris)
Beans: Kentucky Wonder Pole (Heirloom) (Phaseolus vulgaris)
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Beans: Lazy Housewife Pole (Heirloom) (Phaseolus vulgaris)
Beans: Pinto (Heirloom) (Phaseolus vulgaris)
Beans: Red Yard Long (Heirloom) (Vigna unguiculata sesquipedalis)
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Bean: Royalty Purple Pod Green (Heirloom) (Phaseolus vulgaris)
Cabbage: Early Jersey Wakefield (Heirloom) (Brassica oleracea var. capitata)
Cabbage: Late Flat Dutch (Heirloom) (Brassica oleracea var. capitata)
Cabbage: Red Acre (Heirloom) (Brassica oleracea var. capitata)
Cabbage is considered one of the oldest cultivated vegetables, since historians trace it back to 4,000 BC in China. The Romans also cultivated it and praised it for its healing qualities; philosophers Pythagoras and Cato both made the lowly cabbage the subject of a book. Jacques Cartier brought the first cabbage to America in 1536. Cabbages were quite popular in colonial America, being pickled and preserved in every possible way to provide food for the winter.
Cabbage, Chinese: Pak Choi (Heirloom) (Brassica rapa var. chinensis)
Cauliflower: Snowball Y Improved (Heirloom) (Brassica oleracea var. botrytis)
Celery: Tendercrisp (Heirloom) (Apium graveolens var. dulce)
Celery: Utah Tall 52/70 (Heirloom) (Apium graveolens var. dulce)
Eggplant: Black Beauty (Heirloom) (Solanum melongena var. esculentum)
Eggplants date back to medieval times where they were called mad apples. A staple of regions of Asia, known as the "king of vegetables". Eggplant comes in all shapes colors and sizes. Black Beauty is one of the earliest and dates back to the early 1900's.
Eggplant: Golden Egg (Solanum Melongena)
Ornamental Eggplant is a very unique tropical annual that produce purple flowers and egg-shaped, edible fruit that begin white and turn golden upon maturity. Excellent choices for pots and containers, ornamental hedge, or house plant.
Eggplant: Long Purple (Heirloom) (Solanum melongena)
This Italian heirloom eggplant, Long Purple, produces dark purple cucumber-shaped fruit with firm, mild flesh. Good yields, especially in northern climates! Plants will typically produce 4 or more 8-10" fruits with harvest beginning in 70 to 80 days. Average water needs. Some parts of plant are poisonous if ingested.
Onions: Cipollini, Red (Heirloom) (Allium cepa)
Red Cipollini, also known as Borettana, are heirloom Italian onions that were first cultivated in the 1400's in the town of Boretto, Italy. They have been known as “poor man’s onion” and “little onion” as well. Even though these sweet flat onions are tiny, they are a specialty produce that packs a strong flavor raw and get sweeter when cooked. These onions are perfect for grilling, pickling, or roasting.
Onions: Cipollini, Yellow (Organic) (Allium cepa)
Yellow Cipollini, also known as Borettana, are heirloom Italian onions that were first cultivated in the 1400's in the town of Boretto, Italy. They have been known as “poor man’s onion” and “little onion” as well. Even though these sweet flat onions are tiny, they are a specialty produce that packs a strong flavor raw and get sweeter when cooked. These onions are perfect for grilling, pickling, or roasting.
Onions: Evergreen White Bunching (Heirlooms) (Allium fistulosum)
Onions: Ruby Red (Heirloom) (Allium cepa)
Onions: Sweet Spanish White (Heirloom) (Allium cepa)
Onion: Sweet Spanish Yellow (Heirloom) (Allium cepa)
Onions: Walla Walla (Heirloom) (Allium cepa)
Walla Walla onions are native to the Pacific Northwest where they were developed by Peter Pieri in the city of Walla Walla, Washington in the early 1900’s. Washington State has also made this variety their State Vegetable due to the popularity of its mild sweet flavor and crispy.
Pea: Alaska (Heirloom) (Pisum sativum)
Pea: Early Frosty (Heirloom) (Pisum sativum)
Squash, Summer: Dark Green Zucchini (Heirloom) (Cucurbita pepo)
This is the traditional, reliable zucchini that just keeps on producing! Fruits are dark green, and nice and straight! Matures in about 60 days. Average water needs. Attractive to bees, butterflies, and/or birds.
Squash, Summer: Dixie (Cucurbita pepo)
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