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@arboristpass.comOct 11, 2026, 12:02 PM

Question of the day šŸŒ³ (Safe Work Practices)

An emergency plan should include:

Options in the image, answer upside down at the bottom.

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Question of the day šŸŒ³ (Safe Work Practices): An emergency plan should include: A: Who does what, how to call for help, and the nearest hospital. B: Only the client's phone number. C: The chipper's serial number. D: Nothing; emergencies can't be planned. Printed upside down: Answer A, Who does what, how to call for help, and the nearest hospital.
@arboristpass.comOct 10, 2026, 11:02 PM

On the job šŸŒ³ Try this week:

Collect twigs from five species and label the buds, leaf scars and bud scale scars.

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

On the job: Collect twigs from five species and label the buds, leaf scars and bud scale scars. From the lesson Identifying trees by leaves, twigs and buds.
@arboristpass.comOct 10, 2026, 5:02 PM

Did you know? šŸŒ³ Distances

Unqualified: 10 ft (3 m) up to 50 kV, farther above; includes tools and equipment; qualified workers use Z133 tables and PPE.

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Did you know? Distances. Unqualified: 10 ft (3 m) up to 50 kV, farther above; includes tools and equipment; qualified workers use Z133 tables and PPE. From the lesson Electrical hazards and minimum approach distances.
@silverstartree.bsky.socialOct 10, 2026, 2:00 PM

šŸ—ļø When the Big Equipment Comes Out šŸŒ²

With the right equipment and careful planning, large sections can be controlled and removed around nearby homes and property.

šŸ‘‰ silverstartree.com

#SilverStarTree #TreeRemoval #CraneWork #TreeService #Arborist #OkanaganTreeService

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@arboristpass.comOct 10, 2026, 12:02 PM

Question of the day šŸŒ³ (Tree Biology)

Water-conducting cells in conifers are mainly:

A. Vessels
B. Sieve tubes
C. Tracheids
D. Ray cells

Answer upside down at the bottom of the image.

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Question of the day šŸŒ³ (Tree Biology): Water-conducting cells in conifers are mainly: A: Vessels. B: Sieve tubes. C: Tracheids. D: Ray cells. Printed upside down: Answer C, Tracheids.
@arboristpass.comOct 9, 2026, 11:02 PM

Choosing the level šŸŒ³

1. Many trees, find the worst: Level 1
2. Individual tree, standard assessment: Level 2
3. Specific concern needs more data: Level 3
4. Agree the scope in writing: Level, trees, limitations

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Step by step: Choosing the level. 1. Many trees, find the worst: Level 1. 2. Individual tree, standard assessment: Level 2. 3. Specific concern needs more data: Level 3. 4. Agree the scope in writing: Level, trees, limitations.
@arboristpass.comOct 9, 2026, 4:02 PM

Handling planting stock šŸŒ³

āœ“ Lift by the root ball or container
āœ“ Keep roots moist and shaded
āœ“ Heel in bare-root trees if planting is delayed
āœ“ Cover trees in transit
āœ“ Plant promptly
āœ• Lift by the trunk

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Handling planting stock. Do: Lift by the root ball or container. Do: Keep roots moist and shaded. Do: Heel in bare-root trees if planting is delayed. Do: Cover trees in transit. Do: Plant promptly. Don't: Lift by the trunk: it breaks roots away from the ball. Covering trees in transit stops wind drying the leaves and bark.
@arboristpass.comOct 9, 2026, 12:02 PM

Question of the day šŸŒ³ (Soil Management)

On a fertilizer label reading 10-6-4, the first number is the percentage of:

A. Phosphate
B. Potash
C. Nitrogen
D. Organic matter

Answer upside down at the bottom of the image.

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Question of the day šŸŒ³ (Soil Management): On a fertilizer label reading 10-6-4, the first number is the percentage of: A: Phosphate. B: Potash. C: Nitrogen. D: Organic matter. Printed upside down: Answer C, Nitrogen.
@arboristpass.comOct 8, 2026, 11:02 PM

How ready are you for the Certified Arborist exam? Try our free sample questions from across the 10 domains, with every answer explained. šŸŒ³

arboristpass.com/sample-questions #Trees #Arborist #TreeCare

ArboristPass: Try exam-style sample questions. Questions across the 10 exam domains; Every answer explained; No sign-up needed. FREE, Sample questions. Independent course, not affiliated with or endorsed by ISA.
@southgreentreecare.bsky.socialOct 8, 2026, 5:03 PM

South Green Tree Care provides dependable solutions for unwanted, damaged, and hazardous trees with experienced crews, professional equipment, and a strong focus on protecting your property.

Visit us: https://www.southgreentreecare.com/

#TreeRemoval #TreeCare #Arborist #TreeService

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@arboristpass.comOct 8, 2026, 12:02 PM

Question of the day šŸŒ³ (Urban Forestry)

In the US, trunk diameter at breast height (DBH) is measured at:

A. Ground level
B. 1 foot above the ground
C. The first branch
D. 4.5 feet (1.37 m) above the ground

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Question of the day šŸŒ³ (Urban Forestry): In the US, trunk diameter at breast height (DBH) is measured at: A: Ground level. B: 1 foot above the ground. C: The first branch. D: 4.5 feet (1.37 m) above the ground. Printed upside down: Answer D, 4.5 feet (1.37 m) above the ground.
@arboristpass.comOct 7, 2026, 11:02 PM

Number to know šŸŒ³ Objectives first

Every pruning job starts from stated objectives; the specification follows from them

The course: arboristpass.com #Trees #Arborist #TreeCare

Number to know. Pruning (ANSI A300 Part 1): Objectives first. Every pruning job starts from stated objectives; the specification follows from them
@arboristpass.comOct 7, 2026, 4:02 PM

Levels of assessment, targets and site factors, at a glance šŸŒ³

The lesson's summary on one page: save it for revision.

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

At a glance: Levels of assessment, targets and site factors. Level: 1: Limited visual; Method: Walk-by, drive-by, aerial; Use: Screen many trees for obvious defects. Level: 2: Basic; Method: 360Ā° ground inspection, simple tools; Use: Standard individual-tree assessment. Level: 3: Advanced; Method: Specialized tools and techniques; Use: Specific concerns Level 2 can't resolve.
@arboristpass.comOct 7, 2026, 12:32 PM

Question of the day šŸŒ³ (Safe Work Practices)

Escape routes for felling are planned at about:

A. Directly behind the tree
B. In the direction of fall
C. 90 degrees to either side
D. 45 degrees back from the line of fall

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Question of the day šŸŒ³ (Safe Work Practices): Escape routes for felling are planned at about: A: Directly behind the tree. B: In the direction of fall. C: 90 degrees to either side. D: 45 degrees back from the line of fall. Printed upside down: Answer D, 45 degrees back from the line of fall.
@arboristpass.comOct 6, 2026, 11:02 PM

Key point šŸŒ³ Interaction

Abiotic stress often predisposes trees to disease.

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Key point: Interaction. Abiotic stress often predisposes trees to disease. From the lesson Tree diseases and abiotic disorders.
@arboristpass.comOct 6, 2026, 12:02 PM

Question of the day šŸŒ³ (Diagnosis and Treatment)

Most infectious tree diseases are caused by:

A. Viruses
B. Fungi
C. Nematodes
D. Phytoplasmas

Answer upside down at the bottom of the image.

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Question of the day šŸŒ³ (Diagnosis and Treatment): Most infectious tree diseases are caused by: A: Viruses. B: Fungi. C: Nematodes. D: Phytoplasmas. Printed upside down: Answer B, Fungi.
@arboristpass.comOct 5, 2026, 11:02 PM

Soil pH šŸŒ³

Acidic (below 7): Most trees grow well slightly acidic, Very low pH: aluminum, manganese toxicity.
Alkaline (above 7): Iron and manganese become unavailable, Chlorosis: e.g. pin oak.

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Side by side: Soil pH. Acidic (below 7): Most trees grow well slightly acidic; Very low pH: aluminum, manganese toxicity. Alkaline (above 7): Iron and manganese become unavailable; Chlorosis: e.g. pin oak.
@arboristpass.comOct 5, 2026, 4:02 PM

The job briefing šŸŒ³

āœ“ Brief everyone on site before work starts
āœ“ Hazards and controls, roles, signals, PPE, emergency plan
āœ“ At least once each day or shift
āœ“ Again when conditions change
āœ“ Document it

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

The job briefing. Do: Brief everyone on site before work starts. Do: Hazards and controls, roles, signals, PPE, emergency plan. Do: At least once each day or shift. Do: Again when conditions change: a new hazard, crew member or method. Do: Document it. Under ANSI Z133-2026 the arborist in charge holds the briefing.
@arboristpass.comOct 5, 2026, 12:02 PM

Question of the day šŸŒ³ (Diagnosis and Treatment)

D-shaped exit holes in the bark of an ash tree indicate:

A. Asian longhorned beetle
B. Emerald ash borer
C. Aphids
D. Spider mites

Answer upside down at the bottom of the image.

Free lessons: arboristpass.com/free #Trees #Arborist #TreeCare

Question of the day šŸŒ³ (Diagnosis and Treatment): D-shaped exit holes in the bark of an ash tree indicate: A: Asian longhorned beetle. B: Emerald ash borer. C: Aphids. D: Spider mites. Printed upside down: Answer B, Emerald ash borer.
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