6 Winter Care Mistakes to Avoid with Lilac

Syringa vulgaris

By Kiersten Rankel

Jul 28, 20243 min read

  1. 🌱 Adjust care in dormancy: Less water and no fertilizer needed.
  2. ❄️ Protect from frost: Use coverings, avoid winter pruning.
  3. 🌸 Prune post-bloom: Prevents cutting off future flower buds.

Winter Dormancy Essentials

🌬️ Recognizing Dormancy Signs

Lilacs slip into dormancy as winter approaches, signaling a pause in active growth. To spot this phase, look for a slowdown in new shoots and a drop-off in leaves, which is the plant's way of conserving energy.

  • Dormancy is not a sign of unhealthiness but a natural cycle of rest.
  • The plant's appearance may deceive; it's alive but in a state of conservation.

🌨️ Adjusting Care for Dormancy

During dormancy, Lilacs require a shift in care, particularly in watering and fertilizing.

  • Water sparingly, only when the soil is dry to the touch, to prevent root rot.
  • Cease fertilization; the plant is not actively growing and cannot use the nutrients.
  • A deep watering before the ground freezes can be beneficial, especially in drier regions.

Frost Protection Strategies

❄️ Understanding Frost Risks

Lilacs are known for their cold hardiness, often withstanding chilly climates better than many flowering trees. However, they're not immune to frost, especially during periods when they're preparing to bloom.

  • Assess the vulnerability of Lilacs to frost, particularly the young blossoms that could brown if exposed.
  • Recognize that while mature plants are robust, unexpected late frosts can still pose a risk.

🌬️ Implementing Frost Protection

Even the hardy Lilac can benefit from some strategic frost protection to ensure full, vibrant blooms come spring.

  • Use coverings like burlap or frost cloths to shield Lilacs on nights when a frost is predicted.
  • Consider watering the ground around Lilacs before a frost to take advantage of soil moisture's heat-retaining properties.
  • Avoid pruning Lilacs in late fall or winter, as this can stimulate new growth that is more susceptible to frost damage.
  • If a late frost is expected, protect new buds and shoots with temporary coverings, removing them once the risk has passed.

Watering and Fertilizing in Winter

πŸ’§ Watering Mistakes

Winter's chill means your Lilac isn't thirsty as often. Keep these tips in mind to avoid water woes:

  • Check the soil: Before reaching for the watering can, ensure the soil is dry an inch below the surface.
  • Less is more: Water sparingly, allowing the soil to dry between sessions to prevent root rot and other moisture-related issues.
  • Monitor the weather: If rainfall is doing the job, adjust your watering schedule accordingly.

🌱 Fertilizing Faux Pas

Lilacs on winter break don't need a full meal. Here's how to avoid fertilizing blunders:

  • Pause the feed: Hold off on fertilizers; your plant's not in the mood for a feast.
  • Watch for cues: As spring nears, look for signs of growthβ€”that's your signal to gradually resume fertilization.
  • Avoid force-feeding: Over-fertilizing can harm your dormant Lilac, leading to weak growth and potential damage.

Pre-Spring Transition

🌱 Pruning and Soil Care

As spring nears, it's crucial to avoid common pruning and soil care errors to set your lilacs up for success.

🌿 Acclimating Lilacs to Outdoor Conditions

Transitioning lilacs back outdoors requires a gentle approach to prevent shock.

  • Start by placing lilacs in a shaded area and gradually increase their exposure to sunlight.
  • Monitor moisture levels closely during this period to keep the plant hydrated without overwatering.
  • Be mindful of temperature fluctuations and avoid moving lilacs outside until the risk of frost has passed.

Sidestep winter woes and ensure your lilacs thrive through the frost 🌱 with Greg's personalized care plans, including moisture monitoring and frost protection reminders.