How wilting changes (but doesn't eliminate) the danger
Wilting foxglove leaves retain digitoxin compounds, though possibly at slightly reduced levels compared to fresh foliage. Your border collie's exploratory chewing means he likely ingested crushed leaf material, which releases toxins faster than whole leaves would. The 6 kg body weight means even small amounts can disrupt the delicate balance of electrolytes needed for normal heart function.
Garden borders often contain multiple toxic plants mixed together, so try to identify whether he chewed other nearby plants (like daffodils or monkshood). Dogs at social gatherings may swallow more than they chew due to excitement, so assume some ingestion occurred even if you find leftover leaf fragments.
Why BBQ settings increase ingestion risks
Party environments distract owners and overstimulate dogs, making them more likely to sneak garden samples. Food smells on your dog's muzzle could mask the bitter taste of foxglove, allowing him to consume more than he normally would. The 6 kg size is particularly vulnerable — a larger dog might tolerate a brief chew, but your collie's weight puts him in the high-risk category.
Check between his teeth and under his tongue for green plant debris. If he drank from outdoor water sources (like birdbaths or rain puddles), mention this to the vet — dissolved toxins could have increased his exposure. Time matters less than with some poisons; foxglove's effects persist for days, so even hours-old ingestion requires emergency care.
Border collie-specific concerns with cardiac toxins
Herding breeds already have energetic heart rhythms, and foxglove compounds can exaggerate this trait into dangerous patterns. Your dog's high activity level at the party may initially mask early weakness or stumbling. Watch for subtle changes like sitting down abruptly during play or taking longer pauses between fetching rounds.
The vet will likely recommend blood tests to check potassium levels (digitoxin causes dangerous spikes) and continuous ECG monitoring. Even if your collie seems fine upon arrival, the toxins can cause delayed arrhythmias as digestion progresses. Never wait for visible symptoms — the first sign could be collapse.
Handling plant evidence when others are involved
If the garden belongs to friends or family, politely ask for a sample of the exact plant your dog chewed (photograph it growing in situ if possible). Party settings mean multiple people may have seen the incident — ask witnesses if they noticed how many leaves were mouthed or swallowed. Social gatherings sometimes involve alcohol or medications that could interact with foxglove toxins, so disclose any access to these.
Transport your dog in a quiet vehicle with minimal stimulation (lower the windows slightly to prevent car sickness). Monitor his gum color and capillary refill time during the ride — press gently on the gums; normal color should return within 2 seconds. Avoid letting him walk into the clinic; carry small dogs to reduce cardiac strain.
The step-by-step response, from the first minute to the vet visit, is in our Foxglove (Digitalis) emergency guide.