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When to Plant
Tomatoes in Lanesboro, Mn, 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 tomatoes in your garden in Lanesboro, Mn, 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 tomatoes in Lanesboro, Mn, 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
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Growmigo - Today Graph

Optimal time frame to start

Frost free days

Grow period

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Important tomato growing information relevant to your exact garden location in Lanesboro, Mn, United States of America:

The total number of frost free days for your garden in Lanesboro, Mn, United States of America is days, but the total number of optimal days to plant tomatoes is days.

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

Recommended Tomato Varieties

for Lanesboro, Mn, United States of America
Other
Beam’s pear
Determinate, Plum, Paste
Roma
Indeterminate, Paste
San Marzano

Gardening Data Sources

for Tomatoes

University Research

Cooperative Extension

Gardening Websites

Gardening Blogs

Seed Suppliers

Seed Breeders

Home Gardeners

Other Sources

Gardening Magazines

Gardening Data Sources

for Tomatoes

Cooperative Extension

28 sources

Gardening Websites

97 sources

Gardening Blogs

22 sources

Seed Suppliers

200 sources

Seed Breeders

91 sources

Other Sources

21 sources

How to Grow Tomatoes in Lanesboro, Mn, United States of America

How to grow tomatoes: Most gardeners grow tomatoes from seedling or plant. They start growing tomatoes indoors (inside home or greenhouse) and then they transplant the tomato seedlings outside when temperatures are suitable for tomato growth. 

Tomatoes require 60-110 days to be ready for harvest from seed, depending on the tomato variety and the weather during the growing season. 

Optimal air temperature for growing tomatoes is between 69°F (20.5°C) and 76°F (24.4°C). Optimal night temperatures are between 60°F (15.5°C) and 65°F (18.3°C). Tomatoes can endure air temperatures as low as 55°F (12.7°C) during the night and up to 90°F (32.2°C) during the day. 

Soil temperature during tomato growth should be between 65°F (18.3°C) and 75°F (23.8°C) in optimal conditions, but can withstand soil temperatures as low as 60°F (15.5°C).  

Required soil pH for tomato growth is 5.7-7.3 but the optimal pH is 6.1-6.8. What is pH and why is it important?

Though tomatoes are an ideal summer crop they do suffer under prolonged conditions over 90°F (32.2°C) in direct sunlight. Consistently hot weather will not kill existing tomatoes on the plant, but will kill the pollen on the flowers needed to create new tomatoes. 

Water between 1-1.5 inches of water per week, adjusting for weather conditions and type of soil accordingly. Tomatoes should not be watered at night, but rather during the day, specifically during the morning. Water left on the tomato plant overnight can cause disease. 

Very few gardeners directly plant tomatoes outside in the garden. Most gardeners will wait to transplant seedling into the garden when they are about 6-8 weeks old. Seedling are still delicate at this stage so if there is threat of frost do apply protective cover. 

About tomatoes: So, you’re interested in growing tomatoes, great choice! Tomatoes are the backbone of a complete garden, and they're one of the funnest vegetables to harvest, not to mention the tastiest. 

Tomatoes are the most popular vegetable grown in US gardens, growing in 93% of American gardens. However, this was not always the case. Up until the mid-1800’s most Americans believed that tomatoes are poisonous and folklore saying that tomatoes will turn your blood to acid. Much of this belief was based on the fact that tomatoes belong to the Solanaceae family which includes poisonous plants. So up until the mid-1800’s tomatoes were grown by Europeans solely for decorative purposes. 

Tomatoes are dated back to the Aztecs in 700 AD, and are thought to have originated in the Americas, around what is today modern day Peru. Today there are an estimated 10,000 different varieties grown around the world, and some estimating that number to be closer to 25,000 varieties. That’s a whole lot! 

So what is it, a fruit or a vegetable? Most people commonly regard the tomato as a vegetable, but it is actually a fruit. This dispute even reached the U.S. Supreme Court in 1893 as a result of a tariff imposed on vegetables, but not on fruit. 

The Supreme Court determined that botanically speaking it is a fruit, but considered by most a vegetable, and placed the tariff on tomatoes as well. 

Tomato classification: Tomatoes are classified into many different groups and categories. They are classified by color, size, shape, firmness and days to maturity. Another way tomatoes are classified is by their growth habit. 

The short bushy type tomato plants are called determinate tomatoes, or simply bush tomatoes. The taller tomato plants are called determinate tomatoes, also called vine tomatoes. 

Determinate, or bush tomatoes, are usually only 2-3 feet tall, and will produce fruit over a 2-5 week time period, usually all at the same time. Indeterminate tomatoes grow to about 6 feet tall, sometimes even taller, and produce fruit throughout the growing season. Indeterminate tomato plants will require staking to support the weight of the plant. Determinate tomato plants don’t need to be supported, though it couldn’t hurt. Determinate tomatoes plants do not need pruning, but indeterminates are better off pruned. Most of the heirloom types are the indeterminate varieties.  

How do I know if I have a determinate or indeterminate tomato plant? You can tell by the size of the plant. Determinate varieties are only about 2-3 feet tall. Indeterminate varieties grow to about 6 feet and higher. 

Another way to know whether you have a determinate or indeterminate variety is by how many flowers there are in various growth stages. Determinate tomato varieties stop growing when the plants start to flower, and they all flower nearly at the same time. They then set fruit and ripen nearly at the same time. On indeterminate tomato plants one can observe flowers and fruit in their different development stages all growing on the plant. Indeterminate tomato plants can grow and produce fruit up until the first frost.


For more real-time hyper local 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.

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

Germination
9 days
Young seedling
9 days
Mature seedling
10 days
Young plant
32 days
Mature plant
41 days
Total days:
101 days

Germination
9 days
+
Young Seedling
9 days
+
Mature Seedling
10 days
+
Young Plant
32 days
+
Mature Plant
41 days
=
Total Days
101 days

Tomato 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”.

11% of our growing experts recommend to directly sow tomato seeds into the ground. What is direct sowing and why do I care about it?

Required
Optimal
Required germination period

5-11 days

(20 sources)
Growmigo - Germination Period
Optimal germination period

6-13 days

(83 sources)
Required soil temp.

58º-91ºF / 14.4º-32.8ºC

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

70º-83ºF / 21.1º-28.4ºC

(205 sources)
Required day temp.

60.5º-90.5ºF / 15.8º-32.5ºC

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

71.1º-79.1ºF / 21.7º-26.2ºC

(18 sources)
Required night temp.

54.8º-76ºF / 12.6º-24.4ºC

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

61.7º-66.5ºF / 16.5º-19.2ºC

(17 sources)
Growmigo - Seed Depth
Optimal seed depth

0.4 inches / 1 cm

(49 sources)
Growmigo - Plant Spacing
Optimal plant spacing

25.8 inches / 65.5 cm

(15 sources)
Growmigo - Row Spacing
Optimal row spacing

28.3 inches / 71.8 cm

(7 sources)

Tomato 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 tomato 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?

Growmigo - Sunlight
Requires direct sunlight

(177 sources)
Required
Optimal
Required soil temp.

60.4º-86.1ºF / 15.8º-30ºC

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

67.3º-76ºF / 19.6º-24.4ºC

(184 sources)
Required day temp.

67.1º-89.9ºF / 19.5º-32.2ºC

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

69.2º-75.9ºF / 20.7º-24.4ºC

(49 sources)
Required night temp.

55.2º-74.6ºF / 12.9º-23.7ºC

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

60.7º-65.3ºF / 15.9º-18.5ºC

(70 sources)
Required sunlight hours

7-12

(70 sources)
Growmigo - Sunlight
Optimal sunlight hours

6-12

(63 sources)
Required soil pH

5.7-7.3

(39 sources)
Growmigo - PH
Optimal soil pH

6.1-6.8

(145 sources)
Required watering amount

1-1.3 inches / 2.5-3.3 cm (per week)

(36 sources)
Growmigo - Watering Amount
Optimal watering amount

1-1.5 inches / 2.5-3.8 cm (per week)

(2 sources)
Growmigo - Seed Depth
Optimal depth

4.9 inches / 12.5 cm

(2 sources)
Growmigo - Plant Spacing
Optimal plant spacing

27.9 inches / 71 cm

(239 sources)
Growmigo - Row Spacing
Optimal row spacing

39.8 inches / 101 cm

(29 sources)

How difficult is it to grow tomatoes?

Growing tomatoes, 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 Tomatoes

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

good
Companion plants for tomatoes
Growmigo - Companion Planting
Chives
Growmigo - Companion Planting
Onions
Growmigo - Companion Planting
Parsley
Growmigo - Companion Planting
Marigolds
Growmigo - Companion Planting
Carrots
Growmigo - Companion Planting
Garlic
Growmigo - Companion Planting
Asparagus
Growmigo - Companion Planting
Celery
bad
Companion plants for tomatoes
Growmigo - Bad Companion Planting
Cabbage
Growmigo - Bad Companion Planting
Potatoes
Growmigo - Bad Companion Planting
Fennel
Growmigo - Bad Companion Planting
Corn

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