A separate genotype class, not a shade of red

Orange bell pepper is its own genotype class with its own cultivars, not a red pepper picked at a different moment. The fruit form is the same blocky four-lobed shape that defines the block-pepper category, and the orange colour is genetic. Buyers treat the colours as distinct products, and mixed-colour packs are assembled from separate crops rather than sorted out of one.

What the crop needs

The plant is long-cycle on substrate and high wire, sharing the block-pepper climate and structural reference. As with every ripe-coloured pepper, the fruit occupies the plant until it colours, so the season is planned around ripening time rather than around reaching full size. Steady climate over weeks is what keeps the set continuous.

What the greenhouse has to do

Colour class changes the schedule the house has to hold, not the envelope it provides. Each class ripens on its own timetable, and a house running mixed colours is running several schedules under one climate. Compartment layout and the pack plan carry that, because a climate cannot be tuned in two directions at once.

The rest is block-pepper building. The structure supports a long-cycle plant on a high wire, the heating and screening design is set against the colouring period rather than the setting period, and irrigation is sized for the peak. Colour uniformity inside the pack is what the buyer inspects, so evenness across the whole floor decides how much of the crop reaches the top grade.

DutchGreenhouses® specifies the structure, climate, screening and irrigation around the pepper crop, its colour class and the local climate, so ripening holds to the schedule the pack expects. Get in touch to plan a pepper greenhouse.

Questions

Orange bell pepper, asked and answered

Does orange need a different house from red?

No. The structure and the climate envelope are shared across the block-pepper colours. What differs is the ripening schedule, and that shows up in compartment planning and the pack plan rather than in the specification of the building.

Why grow a mix of colours?

Mixed packs are a retail format, and they are assembled from separate crops. Each colour is planned, grown and picked as its own crop.

Does orange ripen at the same rate as red?

Ripening time is a cultivar property and differs by class. It is one of the inputs that sets the harvest plan, which is why colours are planned as separate crops rather than as one crop picked at different stages.

Crop data

Orange bell peppers — reference values

Reference values from the DutchGreenhouses crop model, each traced to its Dutch source below. Ranges describe published practice across systems and seasons; a project setpoint is calculated for the actual greenhouse, crop and climate.

Day climateMedium confidence123

Air temperature
20–23 °C
CO₂ concentration
750–800 ppm

Where these come from

  1. Kas als Energiebron / WUR, 2025, project 24004 — Minimal-CO₂ fossil-free block pepper. Public Dutch trial · High confidence · E045One red block-pepper crop and strategy; production, drain and CO₂ values are observed outcomes, not optima.
  2. Kas als Energiebron / WUR, 2024, project 22014 — Resilient fossil-free block pepper. Public Dutch trial · High confidence · E046One full-season unlit crop with rockwool and wood-fibre substrate treatments.
  3. WUR, 2017, GTB-1434 — Energy-efficient pepper with crop balance. WUR report · High confidence · E048One system and cultivar; relation is a dynamic tested strategy, not a transferable coefficient.

These are reference values, not a specification. DutchGreenhouses does not publish project setpoints; those are calculated per greenhouse, crop and location.

From the knowledge base

Reads you might find interesting