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Why do Plants Grow Better in Greenhouses

Daylight, humidity, and warmth promote plant growth. A greenhouse is a unique place where you can achieve all these requirements. Under one polyethylene film with UV 95% transparency, you can control humidity and warmth.

You create a controllable microclimate to grow any plant you want to and extend the growth period significantly. That’s why the plants do better in greenhouses. 

For any farmer, a greenhouse is an essential feature to have on the farm. It promotes growth, allows growing the variety of produce that can’t be grown under normal ambient conditions, keeps animals, birds, and insects away, delivers food to your household, and brings some profit depending on your greenhouse size and efforts.

Just put a greenhouse on your basket list and make it happen. Only one hour a day allows you to enjoy healthy produce along the growing season. Hereunder we try to cover different aspects of a greenhouse to help you out working out the right decision.

A greenhouse brings you control, health, and joy into your life.

The Benefits of a Greenhouse


DIY Greenhouses

Obviously, you can build a greenhouse yourself. You can assemble a wood frame from either regular lumber or the treated one available in any lumber store. Nail to it the foil and add some additional features, such as roll-up sidewalls, doors, latches, etc. Is it worth it? Probably not. 

You will spend time in the store picking up the lumber delivering to your house, assembling it, and finding the right foil to cover it up. You need to think about how to anchor it and add some openings for ventilation. All your efforts and money wouldn’t be spent efficiently. Your greenhouse won’t be portable, the foil is not removable, and the entire structure won’t be steady.  

So now we established that we are looking for structure covered with polyethylene foil, anchored to the ground with the steel anchors, mostly pipes. The structure can be made out of wood or tubes (hollow steel); however, the best one is made out of tubes.  

It is the pre-galvanized tubing of about 1″, 25mm in diameter. If you buy it on the Internet, look for the specification of the tubes’ diameter, which is crucial. 

Your greenhouse also has to have plastic or metal clips to attach the foil to a frame and a special zip spring to hold the foil and the mesh for letting the air in.

Your greenhouse should have at least one door if it is small, preferably two if it is medium or more substantial. It also preferably has to have openings on the sides; those greenhouses are cold multi-seasonal greenhouses. You can grow in there to produce in them several times during the season. 

Greenhouse doesn’t need to be pretty; however, it does need to be effective.

After immersing yourself in the overwhelming amount of information about the vast number of choices and decisions about what type of greenhouse you could build, let’s revisit what some of the reasons, you would want to do this – or not.


The Benefits of a Greenhouse

  • Fresh greens, vegetable, and fruit
  • Transplant availability and success
  • Fresh cut flowers all year long
  • A warm place to go in the middle of a cold, gray winter
  • Ability to grow things you wouldn’t otherwise be able to grow (exotic flowers, tropical fruit)
  • No more battles with squirrels and insects
  • Do more of what you love to do, longer Add beauty and visual appeal to a landscape.

All you need to think of is the right size of the greenhouse, whether it be a hobby or commercial one.


Main Features to Consider

  1. Variety of sizes to select from.
  2. Antirust sturdy structure, for instance, galvanized 1” ID tubes GA 20.
  3. A polyethylene film, cheap, healthy, readily available, and can be repaired using the dual adhesive films.
  4. Plastic attachment clips that allow easily attaching the film to the galvanized structure or removing it.
  5. Portable construction;
  6. Modular construction with extendable options. 
  7. Anchors to protect your assets from wind gusts.
  8. Doors and latches;
  9. Openings to ventilate the structure.
  10. Adhesive films to protect the greenhouse from the bugs and caterpillars.
  11. Ventilation options.
  12. Dehumidification options.
  13. Humidification options.
  14. Lighting options. 

How Does Greenhouse Work

When it comes to your plants, the greenhouse is a catalyst. Cast your mind back to school when we learned about how plants make food in their leaves.

Like all excellent food production, even plants need the finest ingredients; quality ingredients that a greenhouse enhances. First, they need light as the energy source for the photosynthesis process, and a greenhouse harnesses the power of the sun through its glass panels.

Without light, your plants cannot grow. It’s as simple as that. A greenhouse amplifies the light and also provides a protected place for your plants to grow. Plants need water, which the attentive gardener will provide to their plants, and they also need carbon dioxide, which is present in the air.

The water molecules in the reaction are broken down and release oxygen into the atmosphere.  Plants use the carbon dioxide and make carbon chains in the form of sugars and plant foods, which they use to fuel growth and store the carbon chains in the structure of their leaves and fibers, making them into virtual carbon sinks.

That’s why planting trees and growing plants is good for the planet. As long as there is good ventilation and airflow in your greenhouse, there will be plenty of carbon dioxide. Remember, in the absence of light (at night), your plants will respire and produce carbon dioxide that will enrich the air in your greenhouse with CO2, and this will be used when the sun rises by the plants for photosynthesis.

And the waste product from photosynthesis – OXYGEN and that is why trees and plants are regarded as the lungs of our planet. In a nutshell, the greenhouse provides, enhances, and supports the perfect conditions for photosynthesis, the method in which plants make food and grow. 


Minimizing Problems

The greenhouse can also protect your plants from a range of pests and diseases.

The greenhouse can also protect your plants from a range of pests and diseases. By keeping on top of small pest outbreaks, your greenhouse can become an oasis free from flying pests such as adult aphids, egg-laying butterflies, and other plant munchers.

You won’t keep them all out because your ventilation provision will allow some access. Still, you can minimize problems significantly and also utilize a range of biological controls that can virtually be confined to your greenhouse growing space where they can deal naturally with any pest outbreaks without the need for toxic chemicals. That means you can grow organic produce for the family too!

Some plant diseases such as blight can be minimized by growing tomatoes in a greenhouse environment. The fungal spores are less likely to reach your plants, and the growing conditions inside the greenhouse are less conducive for the fungi to infect your plants. By choosing blight-resistant varieties, you can virtually eradicate the chance of tomato blight on your greenhouse crops, which is a considerable advantage over growing outside.

But the benefits of the greenhouse are more than the sum of their parts. Add up the positive vibes, health-giving properties, and the way a greenhouse enhances your growth potential, and to be honest, there are few other ways to improve your gardening, garden, and life so easily.

Ask any greenhouse owner what they would do differently, and they will all say buy a size bigger than you think you need and invest in a quality greenhouse every time. You won’t regret it, and you really won’t be disappointed.

From large freestanding buildings to small window-mounted structures, a greenhouse is possible for almost any property. Although working in an outdoor garden allows you to soak in the sun, many prefer the controlled indoor environment greenhouses provide — you are still productive in the garden on a surprise rainy day. And, plants tend to grow better in greenhouses compared to outdoors.


Temperature Control

Outdoor temperature swings range widely between day and night. Plants subjected to extreme cold and heat across 24 hours did not grow as well as greenhouse plants, and stressed plants become stunted over time.

The enclosed indoor space greenhouses provide is typically temperature-controlled with heaters and air ventilation for specific plant species, such as food crops. Timers connected to the heaters allow you to alter the temperature settings depending on the time of day.

Carbon Dioxide Factor

Controlling indoor air movement provides greenhouse plants with a constant supply of carbon dioxide, which they need for sugar production. Although outdoor plants have sufficient carbon dioxide levels, strategically placed horizontal fans throughout a greenhouse allow air to press closer to the foliage for peak photosynthesis action.

The concentrated carbon dioxide results in larger leaves, sturdier plant stems, and possible early flowering and fruiting. However, air movement must be coupled with proper ventilation. Closing off the greenhouse to outside air circulation lowers indoor carbon dioxide levels because the plants use the gas quickly while transferring oxygen to the air in exchange.

Reduced Pest and Disease Exposure

Plants in greenhouses grow in containers with specifically chosen soil. Unlike an outdoor garden, your greenhouse container soil does not have the potential of harboring harmful diseases and pests. 

As a result, your greenhouse is practically sterile to fungi, bacteria and pests, such as borers. Without stressful pathogens and pests, the plants concentrate on healthy growth rather than repair and defense.

Considering Humidity

Plant foliage transpiration relies on a constant supply of moisture from both the roots and surrounding atmosphere for peak growth. Dry, outdoor conditions force plants to rely solely on soil moisture, which can cause water stress, especially if the roots are in drought conditions.

Stunted growth and reduced resistance to pests and diseases occur when dry conditions stay constant for an outdoor plant. But greenhouses with humidity controls keep the air moist for peak plant growth. Reducing water stress by watering the roots and providing a humid environment allows each plant to concentrate its energy on fruiting and flowering.


How To Use a Greenhouse

As described above, the primary use of the greenhouse is to promote the growth of the plants.

However, it can also be used to store the plants.

The storage and transport of plants in a greenhouse are essential questions for any market gardener or producer. These factors have a significant impact on business profitability. In this Krostrade blog, we have gathered some necessary information on how to avoid logistics errors.

When choosing plants’ varieties to grow, it is essential to know their needs in terms of soil and climate, sun/shade requirements, potential cultivation methods, and, most importantly, to choose plants from renowned producers.

Even in this case, it should be checked for damage or noise. The roots should be kept in moist soil. Do not choose weak plants with a dry base. Even a small shortage of water would affect the quality and quantity of the crops.

Protecting root systems from damage keeps plants in good condition and therefore facilitates their potential sale. Wholesalers need healthy and attractive plants. If the deliveries do not meet their requirements, they will inevitably turn to another supplier.

This is why it is essential to protect the pots against crushing, the earth against drying out, heat or frost. The vehicles for this kind of task must be adapted appropriately; many use DIY systems. However, if you do not want to or cannot improvise, you can opt for one of the available solutions on the market.


Greenhouse Plants List


Below is a suggested plant list; however, the greenhouse can grow way more.


1) Strawberry of up to 20 kg per sq meter or 4.1 pounds per sq. ft.


2) Burberrys up to 22 kg per sq meter or 4.5 pounds per sq. ft.


3) Raspberry up to 12 kg per sq meter or 2.5 pounds per sq. ft.


4) Cabbage up to 30kg per sq meter or 6.1 pounds per sq. ft.


5) Beef tomato up to 40kg per sq meter or 8.2 pounds per sq. ft.


6) Cherry tomato up to 25 kg per sq meter or 5.1 pounds per sq. ft.


7) Plum tomato up to 32 kg per sq meter or 6.5 pounds per sq. ft.


8) Leak up to 20 kg per sq meter or 4.1 pounds per sq. ft.


9) Green onions up to 15kg per sq meter or 3.1 pounds per sq. ft.


10) White onions up to 20 kg per sq meter or 4.1 pounds per sq. ft.


11) Cauliflower up to 25 kg per sq meter or 5.1 pounds per sq. ft.


12) Broccoli up to 25 kg per sq meter or 5.1 pounds per sq. ft.


People at the company provide super professional service. The greenhouse will be delivered to your doorsteps anywhere in the US or Canada.

Those greenhouses made of the Lego-like elements and can be extended at any time.

We hope we will help you to make the right choice.


Questions and Answers


Do greenhouses help plants grow?

Plants need moisture. Warmth and light to grow. A greenhouse stabilizes the growing environment by buffering the ambient temperature and protecting the plants from extreme cold. It supports your plants in a nurturing, caring environment, and provides the right conditions for plant growth.


Why plants are kept in a greenhouse?

The purpose of a greenhouse is to shield crops from excess cold or heat, and unwanted pests. A greenhouse makes it possible to grow certain types of crops year-round, and fruits, tobacco plants, vegetables, and flowers are what a greenhouse most commonly grows”.


What is the best to grow in a greenhouse?

Cool-season crops like lettuce, broccoli, peas, and carrots are great choices for cold frames and unheated backyard greenhouses. Warm-season vegetables, including cucumbers, tomatoes, squash and peppers, thrive in greenhouses with steady temperatures between 55 and 85 degrees F (12-29 deg. C).


What factors must be controlled in a greenhouse to improve plant growth??

The four factors of Greenhouse Environmental Control. As any scientist will tell you, a growing environment is more than just the temperature of air outside. It’s full combination of many factors that influence the growth – the main four being heat, humidity, light levels, and ventilation.


How often should I water my greenhouse plants?”

Other plants, such as most herbs and orchids, will also prefer a few days between watering, provided that the greenhouse is not excessively hot. As a general rule, do not water your plants until the first couple inches of soil are dry. The biggest key to proper watering is to water thoroughly.


What is the benefit of a greenhouse?

Answer: “One of the main advantages to growing in a greenhouse is that it offers you a longer growing season. Temperatures don’t vary as much within a greenhouse, since the sun’s radiation is trapped in the enclosure, retaining the heat within the structure. Growing seasons can be extended, even in cold climates.”


What grows good in a greenhouse?

At the beginning of the year, sow frost-tolerant plants such as spinach, cabbage, lettuce, and broccoli in your unheated greenhouse. These plants endure significantly lower temperatures and are able to be planted outdoors 3-4 weeks before your last frost date.


How do you heat a small greenhouse?

Place your electric fan heater in an open, central spot at one end of your greenhouse, away from water. Prevent foliage being desiccated by the flow of warm air by angling the heater to direct the airflow above any nearby plants.


How do you set up a small greenhouse?

  • Plant lights mimic natural sunlight. Light the Area. Plant lights or grow lights can be purchased at any garden center or home-improvement store. …
  • Position the Plants. Place plants on any bench or freestanding shelving unit within reach of an electrical outlet. …
  • Prev. seedling trays can be placed on heating mats.
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How to Harvest Marigold Flowers and Seeds: Tools And Tips

How to Harvest Marigold Flowers and Seeds: Tools And Tips

Want to know how to harvest marigold flowers and seeds? Marigold flowers are a mainstay in most of the gardens. They bloom beautiful flowers all season long and they’re easy to grow from seed. Knowing how to save marigold seeds is essential if you want to continue growing them the next season.

Fortunately, harvesting marigold seeds are quite quick and easy. You only need to take the seeds from the flowers and let them air dry before storing them during the winter season. You can pack it up with a container or seed packets to save even more for the next growing season. Some of the marigold flowers are edible and best to mix in your salads to add a distinct flavor to it.


Tools You’ll Need to Harvest Marigold Flowers

The tools you’ll need to harvest marigold flowers include a basket or other available containers that can be used in harvesting flowers. You’ll also need some paper towels, a sharp knife, a pair of scissors, or gardening shears.

Since you need to evaluate or describe the process, get yourself some notes. Seed packets can be envelopes or closed-air containers excluding plastic containers and bags.


How to Harvest Marigold Flowers and Seeds

Here’s how you can harvest marigold plants for flower arrangements and bouquets:


Letting Marigold Flowers Dry

It’s important to wait until the right time to collect marigold seeds. You can harvest the seeds when the petals are dry already (when the base of each flower turning brownish). However, make sure there’s still is a bit of green color left in the base of the bloom. If you also wait until it is completely turned brown, it may start to rot or mold. It’s important to wait for the perfect time to harvest marigolds since the timing is crucial to have the right quality of marigold seeds.

Tip in harvesting: While you are harvesting, simply cut each marigold flower heads using your cutting equipment or either pinch it with your finger. However, be sure not to pull the flowers as it can harm the roots of your marigolds.


Opening the Marigold

Get your paper towel and set it on a flat surface. After, hold each bloom’s base, pull-off, and discard the petals and leaves of it. Then, you will easily notice the attached seeds inside the base. In the meantime, set the prepared blooms on your paper towels for bulk removal of seeds. You may also use larger towels to manage and accommodate the abundant blooms of your marigolds.


Removal of Marigold Seeds

Marigold seeds are likely to have a long, slender, and pointed appearance. Divided ends with black color and white color on the opposite edge. Gather your blooms, pull-off all petals, and leaves, and start pulling the seeds from the base. After getting all marigold seeds, discard the base in a single place like in bins or garbage bags. After sorting, put another paper towel on another flat surface and spread the pulled marigold seeds on it.


Drying of Seeds

As mentioned above, let your marigold seeds air dry for about a week in an uncovered paper towel. It will enable them to be preserved even in frost season and will prevent it from getting rot and mold.


Seed Storing

After drying the seeds, gather them and start placing them inside your seed packets to prolong their lifespan and will still be used after the frost date. Do not use plastic bags in storing your marigold seeds because it will retain residual moisture, which will affect your marigold seeds and even get rot and mold. To avoid forgetting about your marigold seeds, put a label on it to prevent possible disposal if unlabeled.


Using Stored Seeds for Replanting

After storing your collected marigold seeds, it is perfect to plant during the growing season. You can enjoy once again the benefits of it from house beautification to an edible ingredient for your salad.


Facts about Marigold Flowers

Marigolds are especially good for repelling insects and pests, making them companion plant for tomatoes, eggplants, tomatoes, and chili pepper because of its pungent scent of some variety. It is amazing having this kind of flow in your plant, imagine you don’t only have a beautiful attractive garden but having also a very natural insect and pest repellent that will protect your plants from any abrogation.

African marigolds have larger flower heads on plants that grow from 10 to 36 inches tall. While French marigolds are smaller and bushier, having only two inches of flower head across on plants and only having six to eighteen inches height. Sizes and colors vary on its classification, having a mixed combination is pretty great, will also add more pleasant and abundant color to your garden.


The Benefits of Growing Marigolds in a Greenhouse

Have you ever thought of growing your marigolds in a greenhouse? If you haven’t, it’s time to consider getting a greenhouse.

Greenhouses are great for keeping your marigolds safe from pests and diseases. Marigolds are susceptible to insects and blight, such as caterpillars, aphids, leaf spots, and mildews. You can lower the risk of plant damage by growing your marigolds in a greenhouse.

Additionally, greenhouses can also keep your plants safe from bad weather that could easily damage your flowers.


Final Thoughts on How to Harvest Marigold Flowers and Seeds

Knowing how to harvest marigold flowers and seeds is crucial if you’re planning to plant them in your garden. These beautiful flowers that usually come in yellow and orange colors are a great addition to any garden or flower arrangement.

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