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When to Plant
Amaranth in Davenport, Washington, United States of America

Planting vegetable seeds at the correct time is the most important step for getting the most out of your garden. Knowing exactly when to plant amaranth in your garden in Davenport, Washington, United States of America will increase growing success and provide better yields.

Check optimal planting dates regularly for best results because the weather, and our results, change daily. 

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The optimal time to plant amaranth in Davenport, Washington, United States of America is  - . The best day is with a success rate of %.

 

Anywhere between 70-100% is great. If consistently below that you may want to start growing from seedling or young plant, or possibly grow in sheltered environment

Compatibility
Avg. Temp (F)
Soil Temp (F)
Humidity
Precipitation
Sunlight Hours
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Growmigo - Today Graph

Optimal time frame to start

Frost free days

Grow period

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Important amaranth growing information relevant to your exact garden location in Davenport, Washington, United States of America:

The total number of frost free days for your garden in Davenport, Washington, United States of America is days, but the total number of optimal days to plant amaranth is days.

For best results you should start planting amaranth in days starting .

Gardening Data Sources

for Amaranth

University Research

Cooperative Extension

Gardening Websites

Gardening Blogs

Seed Suppliers

Seed Breeders

Other Sources

Gardening Data Sources

for Amaranth

Other Sources

19 sources

How to Grow Amaranth in Davenport, Washington, United States of America

How to grow amaranth: Most gardeners grow amaranth from seed directly sown outside in the ground

Sow amaranth seeds 0.6 inches (1.4 cm) deep. Optimal soil temperature for germination is between 60.3°F (15.7°C) and 68.9°F (20.5°C). Seeds will germinate in 5-10 days.

Amaranth requires 65-70 days to be ready for harvest from seed, depending on the amaranth variety and the weather during the growing season.

Optimal day air temperature for growing amaranths is between 70.4°F (21.3°C) and 72.8°F (22.7°C). Optimal night temperatures are between 68°F (20°C) and 69.8°F (21°C). Amaranths can endure air temperatures as low as 59°F (15°C) during the night and up to 80.6°F (27°C) during the day.

Soil temperature during amaranth growth should be between 70°F (21.1°C) and 75°F (23.9°C) in optimal conditions, but can withstand soil temperatures as low as 50°F (10°C).

Required soil pH for amaranth growth is 5.5-7.0 but the optimal pH is 6.0-6.9.

Optimal sunlight for amaranth is 6-12 hours per day. Amaranths should be watered between 1.0-1.1 inches (2.6-2.7 cm) of water per week, adjusting for weather conditions and type of soil accordingly.

Amaranth spacing:  When planting amaranth seeds directly into the ground sow seeds 0.6 inches (1.4 cm) deep spaced 9 inches (22.8 cm) apart with rows spaced 12 inches (30.5 cm) apart.

How to grow amaranths in your garden: Many gardeners grow amaranth for their sprouts. In this case there is no need for seed spacing or row spacing as most will be harvested before plant matures.

Amaranth greens are also grown and harvested as greens. Select those amaranth varieties that are suitable for greens! It is recommended to apply more nitrogen and phosphorous when growing amaranth greens. When harvesting cut 2-3 inches above ground level. Assuming optimal growing conditions are maintained plant will continue to grow more greens.

For amaranth seed or grain allow the plant to flower and reach maturity. The seeds or what is referred to as amaranth grain is within the flower, so harvest carefully.

For more real time detailed growing information download the GardenWeather App on IOS. It is now the leading gardening and weather app, more accurate than The USDA zone map for frost dates. GardenWeather™ is a technology and agri-tech startup providing real-time hyper local planting and gardening recommendations enabling home gardeners and homesteaders to make data-driven gardening decisions.

About amaranth: a book could be written about amaranth, and probably has, about this leaf vegetable and grain that has been cultivated as a grain for almost 8000 years. Amaranth was a staple item of pre-Colombian Aztecs who believed that it contained supernatural powers and incorporated it to their diet and their religious ceremonies. 

Many people have not heard of amaranth, but it’s definitely a plant you need to grow, or at least consider, growing in your garden for three reasons: One - it’s relatively easy to grow. Two - Amaranth leaves are considered very healthy, rich in calcium and iron. Amaranth leaves are nutritionally similar to beets, swiss chard and spinach, but are much superior, containing three times more calcium and vitamin B3 than spinach leaves. Three - Amaranth flowers are made up of tiny, grain-like buds, which is why this plant often falls into the "grain" category, and they are a highly nutritious gluten-free “grain”. 

You can find amaranth grain in many health food stores being sold in the form of amaranth flour and the popped seeds are sold as amaranth cereal. Amaranth seed is high in protein, contains lysine and methionine, two essential amino acids that are not often found in grain, and is high in fiber - three times that of wheat! 

Technically though amaranth is a seed, not a grain. Cultivated versions of the amaranth can be light or dark green colored or have a “reddish” color with purple veins. Grain varieties can reach heights of up to six or seven feet tall. The seeds are tiny and their colors can range from gold to black. 

Once the flower head has mostly dried up, cut it, and shake the seeds out into a paper bag, which will also provide you with seeds for the next couple of growing seasons. Harvest the amaranth leaves during their entire growing season. The young leaves have a milder flavor and are good to use in salads, and the mature leaves are treated like spinach, mostly cooked and added to dishes. Enjoy!

Use these images to know if your amaranth is heading in the right direction and growing properly. Exact number of growing days varies for each amaranth variety. Below is the average number of days for each stage gathered from many different varieties.

Germination
7 days
Young seedling
14 days
Mature seedling
12 days
Young plant
16 days
Mature plant
18 days
Total days:
67 days

Germination
7 days
+
Young Seedling
14 days
+
Mature Seedling
12 days
+
Young Plant
16 days
+
Mature Plant
18 days
=
Total Days
67 days

Amaranth Germination Guide

(Stage 1: Germination)

Germination is the process by which a plant grows from a seed. It is the first stage of the plant growing process and it begins when the seed is sown and ends when the radicale emerges out of the seed.

All seeds require proper soil temperature, moisture, air and light conditions to germinate successfully. However, during the germination stage the seeds require more soil warmth and moisture than light exposure.

Seeds respire just like any other living organism, requiring oxygen and producing carbon dioxide (CO2), so it is crucial to use a soil media that is sufficiently aerated so that the seeds do not “suffocate”.

100% of our growing experts recommend to directly sow amaranth seeds into the ground. What is direct sowing and why do I care about it?

Required
Optimal
Required germination period

5-10 days

(2 sources)
Growmigo - Germination Period
Optimal germination period

5-8 days

(10 sources)
Required soil temp.

50º-0ºF / 10º--17.8ºC

(18 sources)
Growmigo - Soil Temp
Optimal soil temp.

60.3º-68.9ºF / 15.7º-20.5ºC

(9 sources)
Required day temp.

49.5º-74.3ºF / 9.7º-23.5ºC

(5 sources)
Growmigo - Day Temp
Optimal day temp.

60.5º-65.2ºF / 15.8º-18.4ºC

(4 sources)
Required night temp.

54.5º-77.8ºF / 12.5º-25.4ºC

(2 sources)
Growmigo - Night Temp
Optimal night temp.

68º-72.4ºF / 20º-22.4ºC

(2 sources)
Growmigo - Seed Depth
Optimal seed depth

0.6 inches / 1.4 cm

(26 sources)
Growmigo - Plant Spacing
Optimal plant spacing

9 inches / 22.8 cm

(20 sources)
Growmigo - Row Spacing
Optimal row spacing

12 inches / 30.5 cm

(1 sources)

Amaranth Growing Guide

(Stages 2-5: Growth)

Once seed has germinated and radicale has emerged the second stage of the plant growing process begins, developing from radicale to cotyledon -the embryonic first leaves of the seed forming a young seedling.

During the third stage of plant development cotyledon develops to 3-4 true leaves, stem begins to grow, becoming a mature seedling.

In the fourth stage the mature seedling develops to a young plant, ready for transplanting.

The fifth stage of plant development the plant is fully mature bearing fruit and/or flower.

The following guidelines apply to all of the amaranth plants’ needs during stages 2-5 from radicale emergence to full maturity. During these stages sunlight becomes a more active participant in plant growth and development than in the germination phase.

Soil pH is an important factor during these stages as well. What is pH and why is it important?

Required
Optimal
Required soil temp.

50º-NANºF / 10º-NANºC

(18 sources)
Growmigo - Soil Temp
Optimal soil temp.

70º-75ºF / 21.1º-23.9ºC

(1 sources)
Required day temp.

65.9º-83.2ºF / 18.8º-28.4ºC

(2 sources)
Growmigo - Day Temp
Optimal day temp.

70.4º-72.8ºF / 21.3º-22.7ºC

(2 sources)
Required night temp.

59º-80.6ºF / 15º-27ºC

(1 sources)
Growmigo - Night Temp
Optimal night temp.

68º-69.8ºF / 20º-21ºC

(1 sources)
Required sunlight hours

NAN-NAN

(0 sources)
Growmigo - Sunlight
Optimal sunlight hours

6-12

(24 sources)
Required soil pH

5.5-7

(18 sources)
Growmigo - PH
Optimal soil pH

6-6.9

(26 sources)
Required watering amount

0.8-1.6 inches / 2-4.1 cm (per week)

(2 sources)
Growmigo - Watering Amount
Optimal watering amount

1-1.1 inches / 2.6-2.7 cm (per week)

(20 sources)
Growmigo - Seed Depth
Optimal depth

NAN inches / NAN cm

(0 sources)
Growmigo - Plant Spacing
Optimal plant spacing

12 inches / 30.5 cm

(1 sources)
Growmigo - Row Spacing
Optimal row spacing

15 inches / 38.1 cm

(1 sources)

How difficult is it to grow amaranth?

Growing amaranth, or any other vegetable for that matter, is not hard, however some plants require more attention and care than others depending on the following factors:

 

Are you starting to grow your plant from seed? seedling? young plant? Depending on what stage plant you choose to plant will impact growing difficulty and patience.

The length of the growing season for your exact garden location.

If you have a short growing season and you want to start growing from seed then you may need to start the growing process in a sheltered environment (greenhouse or inside your home) which will require more involvement in the growing process.

Whether you direct sow in the garden or start in trays and then transplant also affects the level of difficulty

Growing difficulty level - 0

Growing patience level - 0

Companion Planting Guide

for Amaranth

What is companion planting?

Companion planting is intentional planting of two or more vegetables and/or flowers next to each other in order to positively impact plant health and yield

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