Seasonal Checklist for Trumpet Vines in Containers

Trumpet vines (Campsis radicans) are vibrant, fast-growing climbers that can add a splash of color to any container garden. Proper seasonal care ensures they thrive year-round, especially when grown in containers where environmental control is easier but must be managed carefully.

Spring Care for Trumpet Vines in Containers

  • Inspect and Prune: Remove any winter damage and prune to shape the vine. Cut back dead or weak stems to encourage healthy growth.
  • Repot if Needed: Check root health and repot into a slightly larger container if roots are crowded. Use fresh, well-draining potting mix.
  • Fertilize: Apply a balanced, water-soluble fertilizer every 4-6 weeks to promote vigorous growth.
  • Watering: Increase watering frequency as temperatures rise, ensuring the soil remains moist but not waterlogged.

Summer Maintenance

  • Sunlight: Place the container in a location with full sun for optimal flowering.
  • Watering: Maintain consistent moisture, especially during hot, dry spells. Avoid letting the soil dry out completely.
  • Feeding: Continue monthly fertilization to support blooming and growth.
  • Support: Ensure the vine has a sturdy trellis or support structure to climb.
  • Pest Control: Watch for aphids, scale, or spider mites. Treat infestations promptly with insecticidal soap or neem oil.

Preparing for Fall

  • Reduce Watering: Gradually decrease watering as temperatures cool, but do not let the plant dry out completely until dormancy begins.
  • Fertilizer: Stop fertilizing in late summer to prepare the plant for dormancy.
  • Pruning: Lightly prune to remove any dead or diseased growth. Avoid heavy pruning late in the season.

Winter Care

  • Protection: In colder climates, move containers to a sheltered location or insulate the pot with straw or bubble wrap.
  • Watering: Reduce watering significantly; only water if the soil is completely dry.
  • Light: Place the container where it receives maximum sunlight during the winter months.
  • Monitoring: Check regularly for signs of stress or pests and address promptly.

Additional Tips for Container Trumpet Vines

  • Choose the Right Container: Use a large, sturdy pot with drainage holes to prevent waterlogging.
  • Soil Composition: Use a high-quality, well-draining potting mix with organic matter.
  • Regular Monitoring: Keep an eye on moisture levels and plant health throughout the year.
  • Repotting: Plan to repot every 2-3 years to refresh soil and accommodate growth.