Field Notes Journal

Seasonal Analysis and Species Classification

Cowslip

Model Family : Seasonal presence

Cowslip (Primula veris), Abingdon, UK
Cowslip (Primula veris), Abingdon, UK David Walker, Field Notes Journal ( CC BY 4.0 )
Cowslip (Primula veris), Abingdon, UK
Cowslip (Primula veris), Abingdon, UK David Walker, Field Notes Journal ( CC BY 4.0 )

Summary

Cowslip

Moderate spring seasonal presence

Cowslip is classified as moderate spring seasonal presence. The fitted seasonal window runs from about March to May, with a spring peak around April. The season is moderate, with a sharp active window, strong post-peak decline, and strong off-season suppression.

Confidence
Medium
Peak
April
Season
March–May

Seasonal wheel

Seasonal wheel for Cowslip Cowslip Peak: April

Calendar strip

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Highlighted months indicate stronger modelled presence or detectability. A ring marks the fitted peak; a hollow mark indicates the trough where available.

Classification evidence

Season start month
3.41
Season end month
5.49
Forcing peak month
4.265
Season width months
2.08
Season midpoint month
4.45
Season start label
March
Season end label
May
Forcing peak label
April

Observed and Simulated Seasonal Patterns

Cowslip Observed Presence, Abingdon
Cowslip Observed Presence, Abingdon
Cowslip Observed Totals, Abingdon
Cowslip Observed Totals, Abingdon
Cowslip Simulated Presence, Abingdon
Cowslip Simulated Presence, Abingdon

Cite this dataset

You are welcome to reuse or reproduce this material under the terms of the Creative Commons CC BY 4.0 licence but please cite it using the reference below, include a link to the licence, and indicate if any changes were made.

Walker, David. Cowslip. Field Notes Journal. ID FN-WL-SEASONAL. Version 2026.05.21. https://fieldnotesjournal.uk/wildlife/seasonal/abingdon/cowslip.html

Dataset FN-WL-SEASONAL Author David Walker Publisher Field Notes Journal Version 2026.05.21
Reference: Walker, David. Cowslip. Field Notes Journal. ID FN-WL-SEASONAL. Version 2026.05.21.

BibTeX 
@dataset{fn_wl_seasonal,
  author = {Walker, David},
  title = {Cowslip},
  year = {2026},
  publisher = {Field Notes Journal},
  version = {2026.05.21},
  url = {https://fieldnotesjournal.uk/wildlife/seasonal/abingdon/cowslip.html}
}