Hot Weather Planting Guide for Virginia Gardens

Many homeowners assume planting should stop once summer heat arrives—but that’s not the case. With the right techniques, you can successfully plant trees, shrubs, flowers, and vegetables even during the hottest days of the season. Here’s how to do it right and protect your investment.

Timing is everything when planting in the heat.

• Plant early in the morning or later in the evening when the sun is less intense
• If possible, choose a cloudy day to reduce stress on plants

Avoid planting during peak afternoon heat, when temperatures and sun exposure are at their highest.

Keeping roots hydrated is critical to plant survival.

• Water plants thoroughly before planting
• Remove plants from their containers right before planting
• Do not let roots sit exposed to sun or heat

Healthy, hydrated roots give your plants the best chance to establish quickly.

A little extra preparation goes a long way—especially in our area where soil tends to be clay-heavy.

• Dig your planting hole in advance
• Make the hole twice as wide as the root ball, but no deeper
• Fill the hole with water before planting to fully hydrate the soil
• Amend native soil with compost or nutrient-rich gardening soil

Improving soil structure helps with drainage, root growth, and long-term plant success.

Relying on irrigation systems alone.

Most sprinkler and irrigation systems only water the top 1–2 inches of soil and do not reach the deeper root zone of trees and shrubs.

The result? Plants may look watered—but their roots remain dry, which often leads to decline or failure.

Always supplement with deep watering using a hose or bucket.

When temperatures climb above 90°F, consistent and proper watering becomes essential.

New Trees & Shrubs

• Deep water 3 times per week during the first growing season
• Use a hose or bucket to ensure water reaches the roots

Annuals

• Water daily during extreme heat

Hanging Baskets

• Water 1–2 times per day until water drains from the bottom
• These dry out quickly due to heat and wind exposure

Vegetables

• Water once daily in the early morning
• Water the soil, not the leaves
• Avoid watering at night to prevent fungus and mildew
• Do not overwater tomatoes—they tolerate heat well

When temperatures rise, your plants rely on you a little more.

Stay consistent with your watering, plant during cooler parts of the day, and give your soil the support it needs. With the right care, your landscape can continue to thrive all summer long.

If you have questions or need help selecting heat-tolerant plants, our team is always here to help.