How long does a Shiba Inu coat blow last?

Typically 3 to 6 weeks per blow, with the heaviest shedding concentrated in about 7–10 days.

Should I shave my Shiba Inu to reduce shedding?

No. Shaving damages the double coat, can cause poor regrowth and overheating, and is strongly discouraged by breeders and vets.

Are Shiba Inus hypoallergenic?

No. Shibas shed year-round and produce dander. No dog is truly hypoallergenic.

What is the best brush for a Shiba Inu shedding season?

An undercoat rake is the top choice during blows, paired with a slicker brush and a stainless steel comb for finishing.

Shiba Inu Shedding Month by Month: A Complete Year-Round Guide

Shiba Inus shed moderately most of the year, then blow their undercoat heavily twice a year — typically in spring (March–May) and autumn (October–November). Outside these peak seasons, expect steady, lower-volume shedding that still requires weekly brushing.

Quick Answer

A Shiba Inu sheds every single day, but the amount changes dramatically with the seasons. For roughly 9 months of the year, expect mild to moderate shedding managed with weekly brushing. During the two annual "coat blows" — spring and autumn — your Shiba will lose their entire thick undercoat in 3–6 wild weeks, and you’ll need to brush daily and vacuum constantly.

Why Shibas Shed the Way They Do

The Shiba Inu has a double coat: a stiff, straight outer coat and a dense, soft undercoat built for cold Japanese mountain winters. Because they were bred as hunting dogs in variable Honshu climates, their coat is photoperiod-driven, meaning it responds to daylight length rather than temperature alone. As days shorten or lengthen, hormonal signals tell the coat to release in waves.

This is why even indoor Shibas follow a predictable seasonal pattern. Artificial lighting can soften the peaks slightly, but most owners still see two distinct heavy shed periods per year.

The 12-Month Shedding Calendar

January – February: Low shedding
Post-winter, the coat is at its thickest. Shedding is minimal — weekly brushing with a slicker or pin brush is plenty. Bathing is rarely needed unless your Shiba gets muddy.

March – early April: Pre-blow loosening
You’ll notice more tumbleweeds of fur as the spring coat starts loosening. Bump brushing to 2–3 times per week. Many Shibas begin their dramatic blow around the spring equinox (March 20–21).

Mid-April – May: Major spring coat blow
This is peak season. Tufts of undercoat come out in handfuls. Daily brushing with an undercoat rake, deshedding tool (like a Furminator used gently), or slicker brush is essential. Bathing with a quality dog shampoo followed by a high-velocity blow-dry helps release dead coat. Expect fur on every surface.

June – August: Low summer shedding
Coat is short, airy, and pale. Shedding drops to a trickle. Brush once a week to remove dead hairs and distribute skin oils. This is the easiest grooming window of the year.

September: Pre-blow loosening
As daylight decreases, the undercoat begins regrowing. Light shedding may resume as the summer coat is replaced.

October – November: Major autumn coat blow
The second major shedding event. Shibas grow a dense winter undercoat, pushing out the summer coat. Expect the same daily brushing, frequent vacuuming, and several baths as the spring blow. Some owners report the autumn blow is even heavier than spring.

December: Winding down
The new winter coat is fully in. Shedding returns to a low baseline by Christmas.

Tools That Actually Help

Undercoat rake: Best for the heavy blows; reaches deep without damaging the outer coat.
Slicker brush: Good all-rounder for year-round maintenance.
Deshedding tool (Furminator-style): Use sparingly, only during blows, and with light pressure to avoid skin irritation.
High-velocity dryer: The gold standard for releasing dead undercoat during a blow, but a regular blow dryer on cool works too.
Stainless steel comb: Finishing tool to catch what brushes miss.

Avoid coat-shaving at all costs. The double coat insulates against both cold and heat, and shaving can cause permanent damage, poor regrowth, and skin issues.

Managing the Blow: A Practical Routine

Brush outdoors if possible to keep fur contained.
Work in sections: neck, shoulders, back, sides, hindquarters, tail, then legs.
Use short, gentle strokes in the direction of hair growth.
Follow every brushing with a bath to wash out loose undercoat.
Vacuum daily with a pet-hair-rated vacuum.
Add an omega-3 supplement to support coat health (check with your vet first).

Expect each blow to last 3–6 weeks, with the worst week producing enough fur to build a second Shiba.

When Shedding Signals a Problem

Sudden increases outside the seasonal pattern, bald patches, constant scratching, redness, or a dull, dry coat can point to underlying issues. Common culprits in Shibas include atopic dermatitis, hypothyroidism, allergies, and nutritional deficiencies. A vet check is warranted if shedding looks abnormal.

Living With Shiba Fur

Shibas are not hypoallergenic. If you’re allergic or highly house-proud, plan around the blow seasons. Many owners invest in air purifiers, washable slipcovers, and a robot vacuum. Despite the fur, the Shiba’s clean, cat-like self-grooming habits and famously tidy house manners make the mess manageable.

Bottom Line

Two heavy blows a year, modest shedding the rest of the time, and daily brushing during the peaks. Once you learn the rhythm, Shiba shedding becomes a predictable, manageable seasonal chore — and one of the small prices you pay for one of the cleanest, most cat-like dogs on the planet.