You would not want your dog to roll in this. It's the pesky invasive alien Acaena novae-zelandiae on Kings Ride in Swinley Forest, South Ascot, today. At its worst, the vet needs to shave the entire body of the dog to unsnag its coat.

It's all very well nicking our manager but you've still got Daniel Levy whereas we have Matthew Benham. Spurs. Graveyard of managers, even good ones. #COYB

🚫🐛 It’s Oak Processionary Moth season! Those fluffy caterpillars may look cute, but their hairs can harm people, pets & wildlife — and they weaken oak trees too. ✋ Don’t touch them 🐾 Keep kids & pets away 📧 Report: [email protected] #OPM #HighgateWood

Need plans for this weekend? Your Sunday could look like this at the Alexandra Palace Farmers’ Market 🥐🍓🧀 📍 N10 3TG ⌚10am – 3pm

Often a killer in my local park.... #observatree

📢 INTERNSHIP ALERT📢 Passionate about climate resilience & plant science? Join Forest Research & UK Centre for Ecology & Hydrology as a CFP intern! Study Scots pine responses to drought/waterlogging 📍 Midlothian, Scotland 🗓️ Oct 2025–Mar 2026 Apply now 👉 tinyurl.com/5x9j6cnt

📢 FINAL CALL📢 🌳 Applications for our #treehealth and #forestprotection internships close this week! Have you applied yet? ⏰ #KewGardens close: Tue 22 July (tomorrow!) ⏰ Forest Research close: Thu 24 July For more information, please visit: lnkd.in/eh6GgQh9

Gall of the week, well two actually. A chimera with the cynipid galls of Andricus kollari/infectorius f. agamic agg and A. aries f. agamic growing in close proximity on oak Quercus spp. Photographer unknown.

🌳🦗👎 Plane lace bug is a priority invasive pest that threatens plane trees in Great Britain. Here our #Observatree Scientific Coordinator, Matt Parratt, discusses the origins of plane lace bug, how it impacts plane trees and what we can do if we suspect we have spotted it.

You’ll find this extraordinary #baobabplane on the #treetrail in Ravenscourt Park H&F Council here: ticl.me/tree-trail-in-…

If you're cycling in woodland this summer, cleaning your bike between visits is important to reduce the risk of tree diseases being moved from place to place on your wheels. #TreeHealth #KeepItClean

New British butterfly - arrival had been anticipated for some time. Double-check those 'cabbage whites'!

This is the time of year when you come across intriguingly-shaped fruits and think “I ought to know what that is”. This thread might help you out.

The Silwood acorn data for 2025 are gathered (below). As expected, it was a bumper crop, but nowhere near the largest we've seen (that was in 2020). In the 46 years of the study, there have been 8 years with bigger acorn crops than 2025.

Last week we teamed up with The Royal Scottish Forestry Society for an event at our Northern Research Station, focusing on protecting Scotland’s trees. Attendees: 🔎 Learned which pests and diseases to look out for 🖥️ Explored how to use #TreeAlert to report issues 🐛 Practised

My sister visited Abney Park Trust recently and shared her photos of the renovated Chapel. Stoke Newington History I hope to visit in the future. 🥰

Lovely to see some decay fungi appearing on dead trees, breaking down the tough components of wood - all part of the rich ecosystem🌳 Friendly reminder: don't pick fungi you see in the woods, they're vital to the health of the trees, so best leave them to do their job! 🍄

Es brillig war. Die schlichte Toven Wirrten und wimmelten in Waben; Und aller-mümsige Burggoven Die mohmen Rath' ausgraben.

Alexandra Park You’ll find the these trees easily on the #AlexandraPark #treetrail Stephen Middleton Alexandra Park See it here: ticl.me/alexandra-park… and download the new Android App ‘TiCL” and IOS App ‘TiCL View’ for compass navigation, FREE with no ads and no registration

Fake headline to draw you in from Ham and High. Cost is half that stated.