Bonsai Records and Photo History Guide

Bonsai problems often appear days or weeks after the cause. Mirai watering method asks the grower to judge foliar mass, container reservoir, temperature, sun, wind, and humidity before watering. Those factors change quickly, so a dated record is the only way to know what the tree was actually using when leaves wilted, needles dulled, or roots slowed. Bonsai Mirai Library

Keep the record honest enough that future you can reconstruct cause and effect. A photo plus five clear facts often beats a long note with no date, no weather, no growth stage, and no follow-up result.

Use records to slow down big decisions. If the tree is weak, the record should point first to light, water, soil oxygen, pests, recent work, and seasonal stage. Styling should wait until the evidence says the tree can recover.

• Record the condition before acting.
• Record the reason for the action.
• Record the aftercare plan.
• Record the response, even when nothing dramatic happens.
• Use the next season to check whether the decision was repeatable.

The local photographing corpus gives a practical phone-photo standard: match horizontal or vertical framing to the tree mass, tap the subject to lock focus and exposure, shoot from slightly above the soil line so the pot rim is visible, center the tree to limit wide-angle distortion, and use the designated front for design review. Bonsai Mirai Library

Lighting matters because the record must show detail. Overcast light is generally favorable. In direct sun, front or side light shows bark, deadwood, branch depth, and foliage better than backlighting, which often turns the tree into a silhouette. Bonsai Mirai Library

Take two kinds of photos. The first set is repeatable: front, left, right, back, top or canopy, soil surface, trunk base, and pot. The second set is diagnostic: scorched leaves, dull needles, wire marks, pest signs, drainage behavior, new buds, weak branch tips, or roots exposed during a repot.

• Use the same front and approximate distance each time.
• Include the pot rim and trunk base so scale and planting angle stay visible.
• Add one wider photo that shows the bench, shade, wind exposure, and nearby walls or heat sources.
• Use detail photos only after the overview exists.

Mirai watering guidance treats watering as a balance between water and oxygen across repeated decisions. Overwatering exhausts oxygen and creates anaerobic roots, while underwatering damages fine roots and foliage. A useful watering record names soil moisture before watering, whether water exited the drainage holes, and how fast the pot dried afterward. Bonsai Mirai Library

Placement changes alter that record. A tree with more foliage in a smaller container dries faster than sparse material in a larger container, and deciduous trees often dry faster than conifers because thin leaves transpire more readily. Heat-sensitive trees may need shade once daytime temperatures exceed the mid-90s F range. Bonsai Mirai Library

Record the move as carefully as the water. Morning sun, afternoon shade, direct wind, rain cover, reflected heat, indoor grow lights, and winter storage all change water use. A symptom note without placement context is usually incomplete.

• Before watering: surface color, chopstick feel, pot weight, foliage condition, and weather.
• During watering: full pass, repeat pass, drainage speed, runoff path, and dry pockets.
• After watering: how long the pot stayed moist and whether the tree changed by the next check.
• After a placement move: sun hours, shade timing, wind, heat, rain, and foliage response.

Mirai soil method frames the root zone around oxygen availability, structural durability, nutrient retention, and water retention. Heavy potting soil is poorly suited to shallow bonsai containers, while akadama, pumice, and lava each contribute a different function. Bonsai Mirai Library

Repotting evidence also belongs in the record. The spring fundamentals corpus names three valid repot reasons: loss of percolation, soil decomposition, and aesthetic style change. Calendar interval alone cannot justify the work. First check whether surface restoration reaches intact friable particles below the moss, organic buildup, and fine roots. Bonsai Mirai Library

Photograph the root ball whenever it is safely exposed. Record the soil mix, particle size, aeration layer, old soil pockets, tie-downs, planting angle, top dressing, and aftercare. Later growth, decline, or watering problems will make more sense when the root history is visible.

• Record mix ratios and particle range before the mix label is forgotten.
• Record whether water entered the center or ran around the root ball.
• Record old organic soil that was left for staged conversion.
• Record tie-down placement and whether the tree moved after potting.
• Record top dressing thickness and whether it helped water enter or matted over.

Spring work depends on stored energy moving toward the tips as day length and temperature rise. The corpus warns that operations during this movement can generate or deplete reserves, and mistimed work weakens a containerized tree because the reserve volume is limited by pot size. Bonsai Mirai Library

Growth strength is a direct signal. Weak new growth means the tree can sustain itself but should be left alone. Strong new growth means the tree may have surplus energy that can be redirected, restructured, or supported with fertilizer. Bonsai Mirai Library

Write dates, but make the stage explicit. Bud swell, first extension, leaf hardening, candle stage, third-year needle drop, autumn storage, winter dormancy, and post-repot recovery are better records than a plain month name. Over several seasons, those notes become your local calendar.

• Spring: bud swell, leaf expansion, cuticle hardening, repot recovery, and pest timing.
• Summer: heat stress, water use, hardened growth, wire checks, and shaded aftercare.
• Fall: fertilizer, storage, wire bite, vascular thickening, and work before hard freeze.
• Winter: root moisture, wind protection, dormancy, freeze events, and storage location.

Repotting records should note why the tree earned the work, because Mirai repotting method separates horticultural reasons from aesthetic transition. The record should include season, bud stage, root density, soil condition, root reduction, tie-down stability, and whether roots were kept hydrated during the work. Bonsai Mirai Library

Wiring records should name the target position and removal plan. Structural wiring guidance uses consistent 55 to 60 degree coil angle, equal spacing, continuous contact, and branch support. Fall fundamentals also warns that wire bite is likely on elongating species during fall vascular thickening, and suggests tagging affected trees for follow-up. Bonsai Mirai Library

Tool notes can be short: wire gauge, cutter used, root tool used, blade condition, disinfection, fertilizer dose, and any scar or rebound. The purpose is accountability. If the branch held, the record shows why. If it scarred, the record shows when the follow-up failed.

• Pruning: branch removed, reason, growth stage, wound size, and expected next bud response.
• Wiring: gauge, material, branch target, date applied, check interval, and removal date.
• Repotting: root evidence, soil mix, tie-downs, root reduction, aftercare, and recovery signs.
• Fertilizer: product type, dose, placement count, interval, and tree strength before application.
• Pest or disease work: symptom, affected tissue, treatment, sanitation, and next inspection.

The spring fundamentals corpus gives a useful diagnostic discipline: disease control is proactive because fungicide protects uninfected tissue rather than reversing established infection. That means symptom notes need onset timing, weather, affected tissue, and what was done before the symptom appeared. Bonsai Mirai Library

Use the same structure for non-disease problems. Symptom, likely cause, evidence, action, and follow-up. If the leaves scorched, record the heat, wind, water, new placement, recent repot, and whether the foliage was tender. If a tree stays wet, record soil, shade, root strength, fertilizer residue, and drainage behavior.

Avoid treating every symptom as a command to do more. Many records should end with wait, shade, water only when needed, inspect again, or delay styling. The record protects the tree from repeated corrective work with no evidence that the first correction helped.

• Symptom: what changed and where it appeared.
• Prior conditions: weather, placement, water, soil, work, fertilizer, and pests.
• Evidence: photo, soil check, root check, growth stage, or species pattern.
• Action: one change at a time when possible.
• Follow-up: when to inspect and what improvement would look like.

Fall and winter records are especially valuable because next spring depends on stored strength, vascular tissue, root protection, and dormancy. Fall fundamentals notes that water use shifts from cooling-driven demand toward vascular buildup, and that fall nutrition supports winter hardiness and next spring growth. Bonsai Mirai Library

Winter care records should include root moisture and wind protection because dormant trees still lose water and roots can continue activity when soil temperatures permit. Heat or indoor storage can break dormancy at the wrong time for temperate species. Bonsai Mirai Library

Review each tree at season change. Which work helped. Which work was early. Which trees dried faster after moving. Which soil stayed wet. Which species tolerated heat, shade, cold storage, or fertilizer differently. The answer becomes next season planning rather than generic advice.

A good record template has the same shape every time: date, tree, stage, place, water, soil, action, reason, photos, and next check. Add details only when they change the next decision.

For a new tree, record more during the first month because you are learning its baseline. After the tree is stable, record changes: moves, work, weather events, pests, fertilizer, root behavior, and seasonal transitions.

• Date and tree label.
• Species or best current identification.
• Growth stage and strength.
• Placement and weather.
• Water and soil behavior.
• Work performed and why.
• Photos attached.
• Next check date and what to watch.