Plants that Flower in May
1722 results
All items
Availability
By type
- Bulbs (408)
- Perennials (324)
- Shrubs (283)
- Fruit (209)
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- Large plants for instant impact (117)
- Trees (110)
- Seeds (99)
- Connoisseurs collection (95)
- Alpines & rockeries (69)
- Pond plants (65)
- Indoor plants (61)
- Wildflowers (32)
- Hedging (17)
- Herbs (15)
- Plants & pots (14)
- Plants for gifts (14)
- Plant combinations (12)
- Grasses (8)
- Exotics (6)
- Roses (5)
- Vegetables (4)
- Conifers (2)
Soil type
- Acid (616)
- Aquatic (50)
- Chalky (1187)
- Haven't a clue (1020)
- Heavy clay (1215)
- Light sandy (1371)
- Moderately fertile, moist but well-drained soil, or peat-free general purpose compost (270)
- Normal (1521)
- Peat-free general-purpose compost (120)
- Prefers acid soil (75)
- Reliably damp or boggy soil (34)
- Specialist compost (7)
Special conditions
Ready made borders
- Ready-made border Autumn colour (5)
- Ready-made border Blending purples (2)
- Ready-made border Blue and silver (2)
- Ready-made border Budget (9)
- Ready-made border Chalky soil (4)
- Ready-made border Clay soil (3)
- Ready-made border Cool grasses and hot exotics (3)
- Ready-made border Cool shade (2)
- Ready-made border Cottage garden scheme (6)
- Ready-made border Dark and light (4)
- Ready-made border Divine summer (2)
- Ready-made border Dry Mediterranean (3)
- Ready-made border Early colour (5)
- Ready-made border Elegant and architectural (5)
- Ready-made border Fiery summer (4)
- Ready-made border Flowers for pollinators (3)
- Ready-made border Fresh and wild (3)
- Ready-made border Gravel garden (1)
- Ready-made border Jewel border (1)
- Ready-made border Keep it cool (2)
- Ready-made border Lime-green and orange (3)
- Ready-made border Lush shade (1)
- Ready-made border Planting the woodland edge (5)
- Ready-made border Red summer (2)
- Ready-made border Sandy soil (4)
- Ready-made border Scented garden (4)
- Ready-made border Shades of pink (1)
- Ready-made border Shady sanctuary (2)
- Ready-made border Soft Summer (1)
- Ready-made border Soothing green and white (1)
- Ready-made border Spring colour (13)
- Ready-made border Steamy jungle (1)
- Ready-made border Sun lovers (2)
- Ready-made border Sunny pink (1)
- Ready-made border The grand experience (1)
- Ready-made border Woodland (1)
Planting combinations
- Acid sun plant combination (2)
- Aquilegia and Anemanthele plant combination (2)
- Astrantia and Digitalis plant combination (2)
- Attracting wildlife seed combination (2)
- Blue and silver plant combination (3)
- Blue and yellow plant combination (2)
- Brazen plant combination (1)
- Contemporary plant combination (2)
- Cutting garden plant combination (1)
- Damp shade plant combination (5)
- Dazzling colour weed-smothering plant combination (1)
- Drought tolerant plant combination (2)
- Dry shade plant combination (5)
- Edible flowers plant and seed combination (3)
- Evergreen groundcover plant combination (2)
- Featured combinations (6)
- Green and gold for damp shade plant combination (1)
- Green and white plant combination (1)
- Iris and Trollius plant combination (1)
- Low maintenance plant combination (summer) (2)
- Oenothera and Perovskia plant combination (2)
- Pink and purple long-flowering plant combination (3)
- Pinks and purple dry shade plant combination (3)
- Pinks and purples plant combination (2)
- Plants for pollinators plant combination (1)
- Pulmonaria and Athyrium plant combination (2)
- Rich tones slug resistant plant combination (2)
- Self seeding seed combination (3)
- Shady chalk plant combination (1)
- Shady clay plant combination (1)
- Shady lady plant combination (2)
- Slug resistant plant combination for shade (3)
- Slug resistant plant combination (2)
- Stars of the show plant combination (1)
- Stipa and Verbascum plant combination (1)
- Structured shade plant combination (2)
- Summer sizzlers plant combination (1)
- Sun baked plant combination (4)
- Sunny and dry plant combination (1)
- Sunny chalk plant combination (1)
- The Highgrove Mediterranean Garden Collection (2)
- The Highgrove Mixed Delphinium Collection (1)
- Tiarella and Brunnera plant combination (4)
- Vibrant colour for bees plant combination (1)
- Vibrant colour seed combination (1)
- Year round groundcover plant combination (2)
- Yellow and gold plant combination (1)
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Indoor plants by room
Bulb planting time
Bulb divisions
- Dahlia (Division 5) Decorative (1)
- Lilium (Division 2) Martagon (2)
- Narcissus (Division 10) Bulbocodium (1)
- Narcissus (Division 11) Split-corona (1)
- Narcissus (Division 2) Large-cupped (1)
- Narcissus (Division 4) Double (2)
- Narcissus (Division 5) Triandrus (2)
- Narcissus (Division 7) Jonquilla (1)
- Narcissus (Division 8) Tazetta (1)
- Tulip (Division 1) Single early group (3)
- Tulip (Division 10) Parrot group (10)
- Tulip (Division 11) Double late group (22)
- Tulip (Division 14) Greigii group (1)
- Tulip (Division 15) Miscellaneous group (11)
- Tulip (Division 2) Double early group (10)
- Tulip (Division 3) Triumph group (62)
- Tulip (Division 4) Darwin hybrid group (13)
- Tulip (Division 5) Single late group (11)
- Tulip (Division 6) Lily-flowered group (18)
- Tulip (Division 7) Fringed group (9)
- Tulip (Division 8) Viridiflora group (13)
- Tulip (Division 9) Rembrandt group (1)
Depth of water
Bedding planting time
Chelsea plant of year
Fruit pollination group
- Apple pollination group 2 (11)
- Apple pollination group 3 (58)
- Apple pollination group 4 (12)
- Apple pollination group 5 (2)
- Cherry pollination group 3 (6)
- Cherry pollination group 4 (2)
- Pear pollination group 2 (2)
- Plum pollination group 1 (2)
- Plum pollination group 2 (6)
- Plum pollination group 3 (6)
- Plum pollination group 4 (4)
- Self-fertile (73)
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Vegetable groups
Multibuy packs
Gifts
Pot size
Pot colour
Pot material
Location
Plant me now
Plant Seasons
- Climbers semi (9)
- Climbers (99)
- Fruit semi (5)
- Fruit (166)
- Grasses semi (1)
- Grasses (2)
- Herbs (5)
- Perennials dies summer back spring (3)
- Perennials semi (59)
- Perennials summer dormant (1)
- Perennials (184)
- Pond plants semi (14)
- Pond plants (42)
- Roses (5)
- Shrubs semi (18)
- Shrubs (122)
- Trees (187)
- border / combi semi (3)
- border / combi (10)
- bulbs die back after flowering (79)
RHS Spring catalogue 2021
RHS Summer catalogue 2021
- page 10-11 Lazy days (1)
- page 12-13 Patios & balconies (1)
- page 14-15 The night garden (7)
- page 16 Low maintenance (2)
- page 17 Summer scent (4)
- page 18-19 Grow your own (1)
- page 2-3 Feel the heat (2)
- page 20 Highly recommended (1)
- page 4 -5 Cool tones (5)
- page 6 -7 Plants for pollinators (1)
- page 8 -9 Shrubs & climbers (4)
RHS Bulb catalogue 2021
RHS Autumn catalogue 2021
Hardy
Leaf colour
Ground cover
Position
- Arches & pergolas (51)
- Back of border (254)
- Bottom of hedges (79)
- Conservatories (34)
- Covering eyesores (90)
- Front of border (798)
- Middle of border (402)
- Next to a patio (142)
- Next to a pond (88)
- Next to an entrance (227)
- Next to seating areas (275)
- Steep banks (192)
- Through hedges (35)
- Walls & fences (188)
Shape
Soil moisture
Kitchen garden planting guidelines
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