Greenhouse Flowers - Temperature Classes for Potted Crops

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Greenhouse Flowers - Temperature Classes for Potted Crops

Greenhouses for potted flower production, matched to the four temperature classes from cold room at 2-5C to tropical at 15-25C. .

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Features
Technical data

Rows of potted red and orange impatiens flowers in black nursery pots inside an arched flower greenhouse

Glass greenhouse benches of potted foliage plants in white and deep red varieties arranged by section

Customer and staff member standing in a potted flower greenhouse between beds of red blooming plants

Why Flowers Grow Better Under Cover:

Growers use a flower greenhouse because it puts temperature, light, humidity and carbon dioxide under control, so the crop produces quality blooms instead of gambling on the weather. It also breaks the seasonal limit: flowers reach annual production and steady supply, and species that would never survive local winters can be introduced and nurtured in a suitable facility environment. The photos above show the two sides of that business - potted flowers in black nursery pots on bench rows inside an arched house, and foliage plant sections under glass - together with a customer visiting a house in production.

Four Temperature Classes of Greenhouse Flowers:

Greenhouse flowers are not hardy plants - they do not overwinter in cold temperate regions - and their temperature requirements differ widely. By the temperature level each needs, they divide into four groups. Cold room flowers keep an indoor temperature of 2 to 5 degrees C, such as bamboo palm, cycads and other foliage plants. Low temperature greenhouse flowers are semi-hardy, usually kept at 5 to 8 degrees C, such as Primula. Temperature greenhouse flowers are not hardy and mostly come from subtropical origins, usually held at 8 to 15 degrees C, such as Calceolaria and fuchsias. High temperature greenhouse flowers come from the tropics and are usually maintained at 15 to 25 degrees C, such as Codiaeum. Matching the house to the class is the first decision, before any equipment is chosen.

Potted Production on the Bench:

Most of the flowers in the photos grow in pots rather than in the ground, which suits a greenhouse well: pots can be spaced as the crop grows, moved to empty benches, and shipped straight from the bench to the customer. Pots and trays are stocked with our greenhouse planting tools and pots, and the irrigation that waters bench crops - drip lines or overhead sprinkling - is part of the greenhouse irrigation systems we build. Even watering matters more in pots than in beds, because a pot holds only the water you give it.

Siting the House:

Build on ground with a low water table, adequate water, convenient drainage and irrigation, and loose, fertile, pollution-free soil. The general requirement for direction is north to south, with the vents placed so that air moves through the crop instead of stagnating. These siting rules cost nothing at the planning stage and are far harder to fix after the house is standing.

Ordering and Support:

Tell us the flowers you grow and the temperature class they belong to, and we will match the structure, covering and equipment to them. You can browse the flower greenhouse models in the same range, read about our greenhouse factory, call +86 191 5068 3942 or send an E-mail to sales@cngreenhouses.com.

We have supplied growers and project contractors across Africa, South Asia, the Middle East and Latin America for many years. Floriculture standards are represented by industry bodies such as the NGMA, and floriculture news is reported by trade media such as Greenhouse Grower.

Frequently Asked Questions:

Q: What temperature does my flower crop need?

A: It depends on the class. Cold room flowers such as bamboo palm and cycads keep 2 to 5 degrees C, semi-hardy flowers such as Primula keep 5 to 8, subtropical flowers such as Calceolaria and fuchsias keep 8 to 15, and tropical flowers such as Codiaeum keep 15 to 25.

Q: Can a greenhouse really supply flowers year round?

A: Yes. With temperature, light, humidity and carbon dioxide under control, the seasonal limit on flower growth is broken and production and supply run through the year instead of stopping with the weather.

Q: Can I introduce flowers that do not grow locally?

A: Yes. For species not suited to local cultivation, the greenhouse creates a suitable facility environment so they can be introduced and nurtured outside their natural range.

Q: Is pot growing better than bed growing for flowers?

A: For most commercial flowers, pots are more flexible: spacing changes as the crop grows, trays move to empty benches, and the product ships directly from the bench. The trade-off is that a pot holds only the water you give it, so even irrigation matters more.

Q: Which direction should a flower greenhouse face?

A: North to south is the general requirement, with vents placed so air moves through the crop. Build on ground with a low water table, adequate water, convenient drainage and irrigation, and loose, fertile, pollution-free soil.

Q: Can I visit a house in production before ordering?

A: Yes. Customers visit our houses and factory regularly, and every year many come for business cooperation. Contact us and we will arrange a visit or show you the nearest reference project.

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