Thank you for your feedback! We’re sorry to hear that your Ceanothus 'Trewithen Blue' is struggling with support, despite following the recommended staking guidelines. This variety can sometimes take a little time to establish itself, but with proper care, we’re hopeful it will strengthen as the season progresses. If you need any further advice on how to care for your tree or help with additional support, feel free to reach out via email and we would be happy to help. Kind regards, Customer Services