|
Budburst Logo
  1. The Program
    1. Why Participate
    2. The Budburst App
  2. Projects
    1. Plants & Climate Change
    2. Plant-Animal Interactions
  3. Activities
    1. For Groups
    2. For Educators
    3. For Families
  1. Plants
    1. Intro to Plants
    2. Plant Groups
      1. Wildflower and Herbs
      2. Deciduous Trees and Shrubs
      3. Broadleaf Evergreens
      4. Conifers
      5. Grasses
    3. Budburst Species
  2. Data
  3. Groups
  4. Resources
    1. Getting Started
    2. Phenology
    3. Pollinators
    4. Participating in Groups
    5. Setup for Students
  5. Sign In
  6. Join Budburst
user avatar
Budburst user
•
Denver, Colorado
February 8, 2026

Phenology observation

Leaves Unfolding
ALL UNFOLDED MIDDLE FIRST EARLY BUD BURST NONE
All leaves unfolded
All or most leaves are fully unfolded.
Flowers
LATE MIDDLE EARLY FIRST BUD BURST NONE
None
No flowers or pollen visible.
Fruit
LATE > MIDDLE EARLY FIRST NONE
None
No ripe fruits or seeds visible.
Autumn Leaf Color Change
ALL CHANGED 50% COLOR EARLY NONE
All leaves changed color
All or most leaves have changed color.
Autumn Leaves Dropping
ALL DROPPED 50% LEAF DROP EARLY NONE
50% Leaf Drop
Half or more of the leaves have fallen off the tree or shrub.

Do your part for our planet. Join Budburst today.

See Menu
  1. The Program
    1. Why Participate
    2. The Budburst App
  2. Projects
    1. Plants & Climate Change
    2. Plant-Animal Interactions
  3. Activities
    1. For Groups
    2. For Educators
    3. For Families
  4. About us
    1. Our partners
    2. Staff & Sponsors
    3. Publications
    1. Plants
    2. Data
    3. Groups
    4. Resources

Stay Informed

Get in Touch

Have any questions or new ideas
you'd like to share?

Contact Us

Get the App

  1. Creative Commons
    BY-NC-SA 4.0
  2. Terms of Use
  3. Privacy Policy
  4. Data Sharing and Citation Policies
  5. 2021 Chicago Botanic Garden. All Rights Reserved.