9 Best Flowers to Plant in August for Unbelievable Blooms!

Do you want to enjoy the vibrant blooms of flowers in August? Then, take advantage of what you are about to read in this article.

Many flowers thrive when planted in late summer (August). 

They add color and life to your garden as the seasons gradually change. Planting in August allows you to take advantage of the warm soil and cooler evening temperatures.

It is the ideal condition for your new flowers to flourish – even into the fall season.

9 Best Flowers to Plant in August for Unbelievable Blooms

Now, with my help, you don’t need to worry about choosing the right flowers for your garden. I have carefully selected (based on my expertise) the top 9 flowers that will bring beauty and life to your garden.

They will enhance your garden’s aesthetic appeal and attract pollinators like bees and butterflies, contributing to a healthy and dynamic ecosystem. 

Read this article to find out more about the best 9 flowers to plant in summer.

Dahlia
Dahlia

This adorable flower reaches its peak towards the end of summer or early fall. Therefore, it is best to plant it in August and watch it grow till it blooms.

While at the peak of its bloom, your garden will glow with reds – creating a lovely scene for visitors. Furthermore, it attracts pollinators such as butterflies, which gives your garden a bit of life.

  • Plant established plants in August for blooms through fall.
  • USDA Zones 8 – 11.
  • Full sun; needs rich, well-drained soil and regular watering.
Mums (Chrysanthemum)
Mums (Chrysanthemum)

If you want your garden to remain vibrant and elegant all through summer into fall, then, this is the perfect flower to plant.

To achieve this, it is best to plant your chrysanthemum species of flower in August. With this, you can be assured of your flower’s maturity by the wake of fall into winter. Mums are vibrant flowers – giving your garden a touch of beauty and excellence. 

  • Plant nursery starts in August for blooms in late summer to frost.
  • USDA Zones 5 – 9.
  • Full sun; water at the base to prevent mildew.
Red Salvia
Red Salvia

It is also known as scarlet sage. This tender flower beautifies your home. At the peak of its bloom, the exterior of your home beams with nature’s wonders.

To have flowers around your home during fall, it is best to plant red salvia in August. Doing this ensures it reaches the peak of bloom in September or early October and continues to beautify your garden till late November or beyond.

  • Thrives in warm late summer soil.
  • USDA Zones 10 – 11 (perennial), 2 – 9 (grow as annual).
  • Full sun to part shade.
Astrantias
Astrantias

This flower loves moist soil conditions.

Therefore, ensure you constantly water the soil during the heat of summer. Furthermore, don’t expose it to excessive sunlight. Partial shade is the best. I would not recommend this for beginner gardeners. But it is a great pick to plant in August as you prepare for fall.

  • Plant in late summer in cool, moist, shaded areas.
  • USDA Zones 4 – 7.
  • Prefers partial shade and consistently moist soil.
Kniphofias
Kniphofias

If you love to have a minimalist garden, then it means you don’t love noisy-coloured flowers. I have the perfect one for you. Go for kniphofias. It’s less flashy but adds a touch of elegance to your garden. Plant it in August to enjoy a constant bloom of flowers through autumn.

  • Can be planted in August for strong root establishment before winter.
  • USDA Zones 5 – 9; needs excellent drainage to avoid winter rot.
  • Full sun.
Sweet Alyssum
Sweet Alyssum

The beautiful white color of this flower makes it special to my heart. When sweet alyssum is at the peak of its bloom, it brightens up your home.

Experience the wonder of this special flower by planting it in August. By fall, your garden will be full of splendor and nature’s beauty.

  • Sow seeds or plant starts in August for a burst of fall flowers.
  • USDA Zones 7 – 11 (perennial), 3 – 6 (annual).
  • Full sun to partial shade.
Violet
Violet

This amazing flowering plant releases its special flowers during fall. Therefore, it’s best to plant it in August (late summer). It is one of my favorite picks for this August’s planting season.

  • Plant in August for fall and early spring blooms.
  • USDA Zones 3 – 9.
  • Partial sun; keep soil moist for best flowering.
Cockscomb
Cockscomb

Cockscomb remains one of the most attractive flowers for the autumn season. Its combination of colors gives your garden a unique look. Create the perfect “fall” atmosphere around your home with this flower. Plant it in August and enjoy a wonderful fall experience – with nature.

  • Sow seeds or plant starts in August for vivid fall color.
  • USDA Zones 10 – 11 (perennial), 2 – 9 (annual).
  • Full sun; thrives in heat and poor soil conditions.
Autumn Joy Stonecrop
Autumn Joy Stonecrop

This hardy plant can thrive in any growing condition. Enjoy its vibrant color this fall by planting it in August

  • Plant in August for blooms from late summer through fall.
  • USDA Zones 3 – 9; very hardy and drought-tolerant.
  • Full sun.
9 Best Flowers to Plant in August for Unbelievable Blooms!

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