Field Notes Journal

Seasonal Analysis and Species Classification

Garlic Mustard

Model Family : Seasonal presence

Summary

Garlic Mustard

Moderate spring seasonal presence

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

Confidence
Medium
Peak
May
Season
April–June

Seasonal wheel

Seasonal wheel for Garlic Mustard Garlic Mustard Peak: May

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
3.945
Season end month
6.345
Forcing peak month
5.07
Season width months
2.4
Season midpoint month
5.145
Season start label
April
Season end label
June
Forcing peak label
May

Observed and Simulated Seasonal Patterns

Garlic Mustard Observed Presence, Abingdon
Garlic Mustard Observed Presence, Abingdon
Garlic Mustard Observed Totals, Abingdon
Garlic Mustard Observed Totals, Abingdon
Garlic Mustard Simulated Presence, Abingdon
Garlic Mustard 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. Garlic Mustard. Field Notes Journal. ID FN-WL-SEASONAL. Version 2026.05.21. https://fieldnotesjournal.uk/wildlife/seasonal/abingdon/garlic_mustard.html

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

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