Late summer has a charm all its own. The days are still long and sunny, evenings feel a little softer, and flower markets are overflowing with some of the most beautiful blooms of the season. It’s that sweet spot between peak summer and the first hint of fall, when bright colors are still very much welcome, but richer, moodier shades are beginning to make their way into the mix.
For flower lovers, August flowers offer plenty to work with. Think dahlias in almost every color imaginable, cheerful sunflowers, romantic garden roses, delicate cosmos, and textural accents that make arrangements feel loose and effortless. If you’re looking for flowers that capture this exact moment of the year, these are some of our favorites.
Dahlias Take Center Stage
If one flower deserves to be the unofficial star of late summer, it’s the dahlia. Their season typically reaches its stride in mid-to-late summer, making August an especially lovely time to enjoy them.
Dahlias come in an incredible range of colors and shapes, from soft blush and creamy peach to deep burgundy, coral, yellow, and raspberry pink. Some are perfectly round and sculptural, while others have loose, fluttery petals that give an arrangement a more romantic look.
They’re especially beautiful in summer flower arrangements mixed with roses, lisianthus, greenery, and other seasonal textures. Even just a few dahlias can give a bouquet that unmistakable late-summer feeling.
Sunflowers Are Still Having Their Moment
August and sunflowers simply belong together. Bright, warm, and instantly recognizable, sunflowers capture that golden-hour feeling we want to hold onto before summer ends.
While classic yellow sunflowers are always a favorite, they don’t have to feel rustic or overly traditional. Paired with softer blooms, interesting foliage, or unexpected colors, they can look surprisingly modern. They’re also a natural choice for birthday flowers, congratulations, housewarmings, or a spontaneous arrangement sent just because.
For anyone searching for seasonal flowers in August, sunflowers are one of the easiest ways to make a bouquet feel unmistakably of-the-moment.
Roses Get a Late-Summer Refresh
Roses may be available throughout much of the year, but the colors surrounding them change beautifully with the seasons. In August, we love seeing roses paired with warmer shades like apricot, butter yellow, dusty pink, terracotta, and soft lavender.
Instead of the classic dozen red roses, late summer calls for something a little more relaxed. Garden-style August bouquets with roses, dahlias, lisianthus, and delicate filler flowers feel romantic without being too formal.
The result is colorful and layered, with just enough undone charm to feel fresh.
Cosmos Bring the Whimsy
There’s something about cosmos that makes an arrangement look as though it was gathered from a particularly beautiful garden. Their thin stems and delicate petals create movement, which is perfect for the slightly wild, airy look that works so well with late summer flowers.
Pink and white cosmos look beautiful alongside dahlias and roses, while deeper varieties can bring a moodier edge to arrangements as we get closer to September.
They’re proof that sometimes the smallest flowers are the ones that give a bouquet its personality.
Hydrangeas Add That Lush Summer Feeling
For something fuller, hydrangeas are hard to beat. Their cloud-like clusters instantly add volume and softness to an arrangement, making them a favorite for statement pieces, dinner parties, birthdays, and thoughtful gifts.
Late-summer hydrangeas can also lean into gorgeous transitional colors, from crisp whites and blues to dusty greens, antique pinks, and muted purples. Paired with more delicate flowers, they create a beautiful balance of lushness and movement.
It's All About the Mix
The best late summer flowers don’t necessarily follow a strict color palette. This time of year is perfect for mixing shades that might feel unexpected together: peach with lavender, yellow with dusty pink, raspberry with cream, or even burgundy alongside brighter summer tones.
It’s a little less polished, a little more playful, and that’s exactly what makes August arrangements feel special. They can still be sunny and colorful while hinting at the richer palette that comes with fall.
Send a Little Late Summer in Santa Monica
There’s still plenty of summer left to enjoy. Celebrate the season with August bouquets filled with fresh, colorful blooms for birthdays, dinner parties, thank-you gifts, or simply to brighten someone’s week. With flower delivery in Santa Monica and across Los Angeles, sending a beautiful seasonal arrangement is an easy way to make the most of these final golden weeks of summer.
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