
Dreaming of a garden that blooms all summer? These 47 plants will give you floral bursts all season long!
Ready for a floral spectacle? We’ve compiled a selection of wonderful perennials and other garden plants that bloom in June, July, and August. For a garden that blooms all summer long in Finland, combine plants that flower at different times.
Plants that bloom in June

Meyer lilac ‘Palibin’ (Syringa meyeri)
A standard, fragrant flowering tree that doesn’t require pruning. A wonderful choice for small spaces!
Light requirements: full sun to partial shade
Height: 1–1.5 m
Bloom time: June–July, I–IV

Lilac ‘Beauty from Moscow’ (Syringa vulgaris)
Its billowing blooms look lovely in group plantings and hedges. Also stunning as a standalone shrub or as a small trained tree.
Light requirements: full sun to partial shade
Height: 3–5 m
Bloom time: June–July, I–III

Climbing hydrangea (Hydrangea anomala subsp. petiolaris)
A self-clinging vine that eventually forms a floral tapestry. Prefers moist, acidic soil.
Light requirements: partial shade to shade
Height: 5–10 m
Bloom time: July–August, I–III

Siberian iris (Iris sibirica)
A graceful, upright clump of flowers. Needs dividing from time to time.
Light requirements: partial shade
Height: 80–100 cm
Bloom time: June–July

Siberian onion (Allium ochotense)
A hardy perennial with distinctive spherical flower heads.
Light requirements: from full sun to shade
Height: 50–80 cm
Bloom time: June–August
Guelder rose (Viburnum opulus)
In moist soil, this shrub remains healthy and can bloom for up to four weeks.
Light requirements: full sun to partial shade
Height: 2–4 m
Bloom time: June–July, I–VI

Aconite-leaf buttercup ‘Flore Pleno’ (Ranunculus aconitifolius)
Its rounded growth is filled with small, double blooms. Thrives in moist soil.
Light requirements: partial shade to shade
Height: 50–60 cm
Bloom time: June–July

Burnet rose (Rosa pimpinellifolia ‘Plena’)
This rose, hardy even in Lapland, bears strongly scented, semi-double blooms.
Light requirements: full sun
Height: 1–1.5 m
Bloom time: June–July, I–VIII

Japanese primrose (Primula japonica)
Loves rich soil. A sloping spot helps avoid winter damp.
Light requirements: partial shade
Height: 40–60 cm
Bloom time: June–July

Chinese peony ‘Duchesse de Nemours’ (Paeonia lactiflora)
A vigorous, long-blooming French peony variety. A lily-like fragrance.
Light requirements: full sun to partial shade
Height: 80–100 cm
Bloom time: June–July

Foamflower ‘Sugar and Spice’ (Tiarella cordifolia)
This excellent ground cover also offers patterned leaves and upright flower spikes.
Light requirements: partial shade to shade
Height: 20–30 cm
Bloom time: May–June

Encrusted Saxifrage (Saxifraga hostii)
Its silvery rosettes, typical of a rock garden plant, need dividing from time to time.
Light requirements: full sun
Height: 40–60 cm
Bloom time: May–June
Sweet woodruff (Galium odoratum)
A vigorously spreading ground cover that can form a floral carpet even in deep shade.
Light requirements: partial shade to shade
Height: 15–30 cm
Bloom time: May–June

Garden pansy (Viola Wittrockiana)
Pansies will bloom for an extended season if spent flowers are removed regularly.
Light requirements: full sun to partial shade
Height: 15–20 cm
Bloom time: June–August
Bleeding heart (Lamprocapnos spectabilis)
This nostalgic cottage garden perennial’s slender flower stems benefit from support. Does not like to be moved.
Light requirements: partial shade
Height: 0–100 cm
Bloom time: June

Wild pansy (Viola Tricolor)
These small pansies tolerate light frosts and bloom almost the entire growing season.
Light requirements: full sun to partial shade
Height: 10–15 cm
Bloom time: May–September
Snow-in-summer (Cerastium tomentosum)
Intense sun and dryness give the leaves of this ground cover a silvery hue and encourage it to bloom.
Light requirements: full sun
Height: 10–40 cm
Bloom time: May–June

Narcissus anemone (Anemone narcissiflora)
Originally a mountain-meadow perennial. Thrives in moist, well-drained soil.
Light requirements: full sun to partial shade
Height: 25–30 cm
Bloom time: June

Snowy woodrush (Luzula nivea)
This delicate ornamental grass forms tufted flower clusters.
Light requirements: full sun to partial shade
Height: 30–50 cm
Bloom time: June–July
Oxeye daisy (Leucanthemum vulgare)
A hardy flower that tolerates drought, scorching sun, and partial shade. Spreads by seed.
Light requirements: full sun to partial shade
Height: 30–70 cm
Bloom time: June–August

Plants that bloom in July

English lavender (Lavandula angustifolia)
Its aromatic flower spikes attract butterflies and insects. English lavender thrives in sandy soil.
Light requirements: full sun
Height: 30–50 cm
Bloom time: July–August

Big betony (Stachys macrantha)
Its dense growth delights year after year. A durable perennial!
Light requirements: full sun to partial shade
Height: 40–50 cm
Bloom time: June–August

Persian cornflower (Centaurea dealbata)
A magnificent flower that fits well among large perennials. Does not require staking.
Light requirements: full sun to partial shade
Height: 70–100 cm
Bloom time: June–July
Common foxglove (Digitalis purpurea)
A biennial, easy-care heritage plant. Spreads by seed.
Light requirements: full sun to partial shade
Height: 1.2–2 m
Bloom time: June–July

Maiden pink (Dianthus deltoides)
A ground cover and rockery plant for poor soil that creates a stunning carpet of blooms.
Light requirements: full sun
Height: 10–15 cm
Bloom time: June–July

Martagon lily (Lilium martagon)
A hardy classic perennial. Dozens of blossoms on each stem open gradually.
Light requirements: from full sun to shade
Height: 70–150 cm
Bloom time: July–August

‘Philippe Vapelle’ hardy geranium (Geranium)
A ground cover and border perennial. Its flowers shine from afar.
Light requirements: full sun to partial shade
Height: 30–40 cm
Bloom time: June–July

Lemon thyme (Thymus x citriodorus)
Known as a culinary herb, thyme also works well in rock gardens and as a ground cover.
Light requirements: full sun
Height: 10–15 cm
Bloom time: July–August

Greater musk mallow (Malva alcea)
This delicate perennial thrives in well-drained sandy soil.
Light requirements: full sun to partial shade
Height: 80–100 cm
Bloom time: July–September
Scented geranium ‘Sweet Mimosa’ (Pelargonium x fragrans)
Touching the leaves releases a spicy rose fragrance. The petals feature feather-like patterns.
Light requirements: full sun
Height: 50–70 cm
Bloom time: July–October
Sweet William (Dianthus barbatus)
This biennial flower show can last for years thanks to basal shoots.
Light requirements: full sun to partial shade
Height: 40–60 cm
Bloom time: June–August

Rosebud geranium ‘Appleblossom Rosebud’ (Pelargonium Zonale)
Each bloom looks like a miniature rose with a springtime apple hue.
Light requirements: full sun
Height: 40–50 cm
Bloom time: July–October

French rose ‘Duchesse de Montebello’ (Rosa Gallica)
Its fragrant flowers fade to a lovely powdery hue. A nearly thornless rose.
Light requirements: full sun to partial shade
Height: 1.5–1.8 m
Bloom time: July–August, I–III
Bigleaf hydrangea ‘Magical Revolution Pink’ (Hydrangea Macrophylla)
Blooms for months if moisture and fertilization are kept steady. Overwinter at 4–10 °C (39–50 °F).
Light requirements: full sun to partial shade
Height: 50–70 cm
Bloom time: June–August
Gas plant (Dictamnus albus)
This easy-care classic perennial appreciates being left undisturbed. The gas plant [in Finnish] releases a substance that, in combination with the sun’s UV rays, can cause severe dermatitis—keep this in mind when choosing its spot in your garden!
Light requirements: full sun
Height: 60–100 cm
Bloom time: June–July

Rugosa rose ‘Sointu’ (Rosa Rugosa)
A round-shaped shrub. Its clusters of flowers lighten as they age.
Light requirements: full sun to partial shade
Height: 1–1.2 m
Bloom time: July–August, I–IV
Plants that bloom in August

Tip!
Beyond showy flowering plants, you can also add ornamental flair to your garden with many edible plants and striking foliage perennials [in Finnish].
Coleus ‘Wizard Mosaic’ (Solenostemon scutellarioides)
A houseplant favorite that also works well in containers. Its ornamental value lies primarily in the foliage.
Light requirements: full sun
Height: 40–60 cm
Bloom time: July–September
Basil ‘Magic Mountain’ (Ocimum basilicum)
A striking, aromatic herb. Overwinter at 4–10 °C (39–50 °F).
Light requirements: full sun
Height: 40–50 cm
Bloom time: July–August
Decorative dahlia ‘Arabian Night’ (Dahlia x hortensis)
This decorative dahlia blooms until frost arrives. Makes an excellent cut flower.
Light requirements: full sun to partial shade
Height: 100 cm
Bloom time: July–September

Sweet pea ‘Windsor’ (Lathyrus odoratus)
A summertime vine for rich soil. Benefits from pre-sowing indoors.
Light requirements: full sun
Height: 1.5–2 m
Bloom time: July–September
Sneezeweed (Helenium Autumnale)
A sturdy perennial that blooms for months. Great for butterflies.
Light requirements: full sun
Height: 60–80 cm
Bloom time: August–September

French marigold ‘Burning Embers’ (Tagetes patula)
A bushy variety. Supporting is helpful.
Light requirements: full sun to partial shade
Height: 60–80 cm
Bloom time: July–September
Wild marjoram (Origanum vulgare)
A hardy perennial. Its flavor is milder than its culinary relatives.
Light requirements: full sun
Height: 40–60 cm
Bloom time: July–August

Signet marigold ‘Orange Gem’ (Tagetes tenuifolia)
A sturdy, bushy edging plant for flower and herb beds. Repels pests.
Light requirements: full sun
Height: 30–40 cm
Bloom time: July–September
Petunia ‘Black Ray’ (Petunia x hybrida)
A pitch-black variety that blooms all summer, perfect for containers and borders.
Light requirements: full sun
Height: 20–30 cm
Bloom time: June–September
Calendula ‘Oopsy Daisy’ (Calendula officinalis)
A late-summer delight that can be sown directly.
Light requirements: full sun to partial shade
Height: 30 cm
Bloom time: July–September
Sunflower ‘Moulin Rouge’ (Helianthus annuus)
A branching variety with 3–5 blooms per stem. Great as a cut flower.
Light requirements: full sun
Height: 1.8–2 m
Bloom time: July–September