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🐕

Boston Terrier

small

Compact, tuxedo-clad companions nicknamed the “American Gentleman.”

Keep lineage notes tidy with GenogramCraft right alongside your growth tracking.

Adult Weight
12-25 lbs
Lifespan
11-13 years
Temperament
Friendly, Smart, Lively
Exercise
30-40 minutes of play and walks daily
Energy Level
Trainability
Shedding
Family Friendly

Growth Chart

Track Your Puppy

Loading growth chart...
AgeWeight RangeAverage
0 weeks
0 months
0 - 0 lbs0 lbs
4 weeks
0 months
1 - 3 lbs2 lbs
8 weeks
1 month
3 - 6 lbs5 lbs
12 weeks
2 months
4 - 9 lbs7 lbs
16 weeks
3 months
6 - 12 lbs9 lbs
20 weeks
4 months
7 - 15 lbs11 lbs
24 weeks
5 months
9 - 18 lbs14 lbs
28 weeks
6 months
10 - 20 lbs15 lbs
32 weeks
7 months
10 - 21 lbs16 lbs
36 weeks
8 months
11 - 22 lbs16 lbs
40 weeks
9 months
11 - 23 lbs17 lbs
44 weeks
10 months
11 - 23 lbs17 lbs
48 weeks
11 months
12 - 24 lbs18 lbs
52 weeks
12 months
12 - 25 lbs19 lbs

Developmental Milestones

0-2 weeks

Physical Development
Eyes and ears closed, depends on mother
Behavioral Development
Limited movement, nursing

2-4 weeks

Physical Development
Eyes and ears open, teeth begin to emerge
Behavioral Development
Starts walking, exploring

4-8 weeks

Physical Development
Weaning begins, rapid growth
Behavioral Development
Socialization with littermates, play behavior

8-12 weeks

Physical Development
Baby teeth fully in, growth continues
Behavioral Development
Critical socialization period, fear imprint period

3-6 months

Physical Development
Adult teeth coming in, puberty begins
Behavioral Development
Testing boundaries, second fear period

6-12 months

Physical Development
Sexual maturity, growth slowing
Behavioral Development
Adolescence, energy peaks

12-18 months

Physical Development
Reaches adult size, growth plates close
Behavioral Development
Mental maturity developing

Age Progression Gallery

See how Boston Terriers develop from puppies to adults

🐶
8 Weeks

Puppy - Early socialization stage

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3 Months

Growing fast - Learning phase

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6 Months

Adolescent - Energetic stage

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Adult

Full grown - Mature and stable

Note: Photos shown are representative placeholders. Individual dogs may vary in appearance based on genetics, diet, and care.

Care Requirements

Grooming

Low – weekly brushing

Exercise

30-40 minutes of play and walks daily

Common Health Issues

  • • Brachycephalic syndrome
  • • Eye injuries
  • • Allergies