Summer Flower Guide – Heat-Resistant Blooms & Care
Summer flowers – the finest blooms from June to August
Bold colors, intoxicating fragrance, and endless variety – the floral abundance of summer
In summer, nature gives its very best. Sunflowers reaching for the sky, Dahlias bursts into every shape, lavender scents the air – this is the season of abundance.
June – Romance and Fragrance
- Peonies (last weeks): The season ends in mid to late June. Buy them now or wait a whole year. Lush, fragrant, and deeply romantic – the most coveted flower of the entire year.
- Garden Roses : Peak season for David Austin and garden varieties. Lush petals, incredible fragrance – a world apart from conventional florist roses. June is rose month.
- Sweet peas: The greatest range of fragrance and color. Delicate, ruffled petals in every Pastel shade. The quintessential English cottage garden flower. Short-lived in the vase, but unforgettable.
- Delphiniums: Tall electric spires blue , purple and white . Dramatic vertical accents. True blue is rare in the flower world – delphinium delivers it spectacularly.
- Lavender: Fragrant, calming, and deeply evocative of a Provençal summer. Fresh or dried – beautiful either way. Purple and calming.
July – Summer Peak
- Sunflowers : The season gets into full swing. Pure summer joy. Yellow , orange , red and bicolored varieties. From dwarf to giant. Vase care guide .
- Dahlias : The season begins. Dinnerplate, cactus, pompon, ball – an incredible variety of shapes, sizes, and colors. July until the first frost.
- Lisianthus (Eustoma): Rose-like blooms on elegant stems. Available in white , pink , purple and bicolored. One of the longest-lasting summer cut flowers (2+ weeks). Underrated and beautiful.
- Gladiolus: Tall, dramatic spikes in every color. Strength and moral integrity in the Language of flowers . Stunning in large arrangements.
- Zinnias: Bright, cheerful, and sun-loving. Full of cottage garden charm. Available in all warm colors – red , orange , pink , yellow , coral.
August – Golden Days
- Sunflowers (peak season): The biggest heads, the widest variety, the best prices. The sunflower’s golden hour.
- Dahlias (full range): All types available. “Café au Lait” and other wedding favorites are at their peak.
- Hydrangeas : Large, dramatic flower heads blue , pink , white and Green. Begins to develop the antique tones that make it perfect Drying . Care Guide .
- Celosia: Blooms with a velvety texture red , orange , pink and yellow . Brain-like (Cristata) or feathery (Plumosa) forms. Unique and eye-catching. Dries beautifully.
- Rudbeckia (Black-eyed Susan): Golden yellow Golden-yellow petals with a dark center. The classic late-summer wildflower. Cheerful and long-lasting.
Vase Care in Summer: Flowers wilt faster in the heat. In summer: change the water daily, use flower food, and keep arrangements away from direct sunlight and windows. A cool spot overnight significantly extends vase life. On very hot days, consider adding ice cubes to the water. Complete Care Guide .
Summer occasions and the right flowers
- Summer weddings: Dahlias , garden Roses , Sunflowers (rustic), Hydrangeas (lush filler). Seasonal flowers are fresher, more affordable, and more sustainable than imported alternatives.
- BBQ/Garden party: Relaxed, bright, and unfussy— Sunflowers , zinnias, gerberas. Mason jars as vases.
- Birthday: A mixed summer bouquet full of color says “Celebrate!” louder than any single flower.
- Host/Hostess gift: A hand-tied seasonal flower bouquet or a potted Hydrangea for the garden.
- Just because: A single Sunflower from the farmers' market—pure, affordable summer joy.
Summer flowers for the balcony
- Geraniums (Pelargonium): The classic Vienna balcony favorite. Blooms nonstop from May until frost. Red , pink , white . Heat-tolerant and easy to care for.
- Petunias: Cascading color for hanging baskets . Huge variety. Blooms continuously.
- Dwarf Sunflowers : 'Teddy Bear' and 'Pacino' in pots. Pure summer joy on the balcony.
- Lantana: Heat-loving, butterfly-attracting clusters orange , yellow and pink .
- Calibrachoa (Million Bells): Mini petunia lookalikes. Abundant blooms. Perfect for containers. Balcony Care Guide .
Summer Bouquets at MO BLUMEN Vienna
Bold, bright, and full of seasonal energy—hand-tied and delivered throughout Vienna.
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Frequently Asked Questions
Heat is the enemy of cut flowers. Key strategies: change the water daily (bacteria multiply faster in warm water), use flower food, keep arrangements in the coolest room, move them to a cool spot overnight, mist the petals in very hot weather, and avoid placing them near windows or appliances that generate heat. Some people even add ice cubes to the vase on days above 30°C. Complete Care Guide .
Lisianthus has a vase life of 2–3 weeks. Sunflowers : 7–12 days. Hydrangeas : 7–10 days. Dahlias : 5–7 days. Gladiolus: 7–10 days (the buds open one after another). For the longest enjoyment, combine long-lasting varieties with short-lived statement blooms and refresh the arrangement as needed.
Generally yes – local, seasonal summer flowers are plentiful, which helps keep prices lower. Sunflowers Zinnias, gladioli, and field-grown dahlias are very affordable when in season. The exception is peonies and garden roses, which command premium prices because of their short season and high demand. To get the best value, ask your florist for the “best of the season” – you’ll get the freshest, most abundant flowers at the fairest price.
Many summer favorites are easy to grow and bloom all summer long with minimal effort. Zinnias and sunflowers love full sun , while cosmos and marigolds thrive in it well-draining soil that doesn’t turn muddy after rain.