domingo, 5 de julio de 2026

Technical Guide to Pruning, Post-Pruning, and Composting of Mirabilis jalapa - GB

packages = [] 🌿 Actualización del Huerto Natural - Abril 2026
A continuación..

Winter: 2026

Natural Agriculture: Miribilis jalapa

Technical Guide to Pruning, Post-Pruning, and Composting of Mirabilis jalapa

Hi everyone! How are things? Today I’m sharing a very special post about a pruning and composting technique—I hope you like it!

Pruning Activity and Tools
The maintenance and control pruning of the Mirabilis jalapa plant (commonly known as four o'clock flower or marvel of Peru) is carried out by executing clean cuts at the base of the primary stems. Due to its herbaceous, succulent, and semi-woody nature, the procedure requires sharp execution to prevent tearing the plant's vascular bundles.

Tools Used:
Sanitsed bypass pruning shears (curved blades), treated with 70% isopropyl alcohol to avoid cross-contamination or transferring fungal pathogens to the remaining crown.
Process:
Selection of overgrown branches, performing a bevelled cut (at a 45-degree angle) a few centimetres above ground level. This angle ensures rainwater slides off the wound, preventing rot and stimulating vigorous resrouting from its tuberous root system.

Here's the first video of the pruning

Interactive image viewer: Cross-section and it can be seen that the tissue did not deform.

Crespón

Post-Pruning and Material Classification
Following the biomass collection, the organic matter is classified according to its moisture levels, texture, and Carbon-to-Nitrogen (C/N) ratio to balance the microbiological degradation environment: Wet Waste (Green / Nitrogen-Rich): Fresh green leaves, developing flower buds, and fleshy upper stems captured in the visual logs. These provide internal cell moisture and essential nutrients for early-stage bacterial activation.

Dry Waste (Brown / Cellulose-Rich): Dried leaves and pre-dehydrated grass clippings layered into the mix. These materials absorb excess moisture and structure the pile.
Lignin-Rich Waste (Structural): Fleshy basal stems which exhibit higher mechanical resistance. These require manual shredding (chopping into 2 to 5 cm pieces) to increase surface area for lignicolous fungi to colonise efficiently.

Step-by-Step Composting Bin Layering Method

Recycling within the plastic domestic composting bin follows a meticulous layering or homogeneous mixing strategy to avoid compaction and secure aerobic decomposition:

Base Structural Layer (Lignin): Placing chopped, thick stems at the bottom of the bin to establish natural air channels that promote continuous oxygenation. Cellulose Dry Layer: Laying a uniform portion of dry grass clippings and brown leaves over the base to regulate moisture levels and absorb incoming leachates.

Fresh Wet Layer (Fresh Mirabilis): Distributing the freshly pruned green biomass over the dry layer to kickstart the endothermic breakdown process. Mixing and Microbial Inoculation: Lightly incorporating the new layers with the pre-existing compost and active soil visible in the bin. A superficial turnover is conducted to sustain an adequate air-to-water balance.

📸 Rooting process log

Unpruned plant

With seeds

To prune

Pruned plants

With a length of 20 cm

To be post-composting

Mixed material

Leaves and stems

With grass and compost from the compost bin

Balanced biomass

For vermicomposting

Damp

¡Greetings and happy growing.!

See you in the next post! I hope you can put the technical guide into practice and fertilize and clean your plants. See you!
© Blog Natural.