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Purple Lathyrus Flower


Purple Lathyrus Flower

Lathyrus


Lathyrus is very well known as wild peas or sweet peas - it is the type that groups pea-flower subfamily of the legume (Fabaceae) family and is presented by 110 species of annuals and perennials that are mainly spread through Eurasia, North America, and temperate South America. This genus includes also low spreaders and shrubby plants though it is very well known for its climbers. Most species of this genus have blue-green pinnate leaves, often with a grasping tendril where is normally located a terminal leaflet. The flowers can be solitary or clustered in racemes. The garden forms of this genus usually occur in a wealth of shades, though the wild forms usually have purple and pink flowers. Between 1850-1950, British horticulturalists were fascinated by sweet peas and cultivated hundreds of types.


Top Tip

Climbing sweet
peas make equally
good spillover
plants for walls and
banks, trailing their
stems over the surface
and providing
a mass of color
when in bloom.

Cultivation


The garden forms of this genus require moist well-drained soil, sunny places and also good ventilation in order to reduce the risk of mildew and botrytis. The climbers require stakes or wires to grow. The annuals propagate from seeds and the perennials from seed or by division during dormant.


Name

Flower color

Blooming Season

Flower Fragrance

Plant Height

Plant Width

Hardiness Zone

Frost Tolerance

Lathyrus cyaneus

Deep lavender-blue

Late spring to early summer

No

12 in
30 cm

24-40 in
60-100 cm

6-9

Yes

Lathyrus latifolius

Red-purple, pink, white

Summer

No

6ft
1.8 m

6-12ft
1.8-3.5 m

5-10

Yes

Lathyrus odoratus

Various

Late winter to early summer

Yes

6-8ft
1.8-2.4 m

2-3ft
0.6-0.9 m

6-11

Yes

Lathyrus odoratus “Anniversary”

Pink-edged, White

Late winter to early summer

Yes

6-8ft
1.8-2.4 m

2-3ft
0.6-0.9 m

6-11

Yes

Lathyrus odoratus “Jily”

Cream

Late winter to early summer

Yes

6-8ft
1.8-2.4 m

2-3ft
0.6-0.9 m

6-11

Yes

Lathyrus vernus

Purple-blue to blue-green

Winter to spring

No

24 in
60 cm

18-40 in
45-100 m

5-9

Yes