|
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
•
Portland, Oregon
March 8, 2026

Phenology observation

Leaves Unfolding
ALL UNFOLDED MIDDLE FIRST EARLY BUD BURST NONE
Middle Leaves
Half or more leaves have unfolded from the buds.
Flowers
LATE MIDDLE EARLY FIRST BUD BURST NONE
Early Flowering
Only a few flowers have emerged (less than 5%) or pollen is just starting to disperse.

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.