How to grow Iris germanica

Iris germanica growing geophyte of the genus iris also known as German Iris, Iris germanica perennial evergreen plant used as ornamental plant for the flowers, can grow in mediterranean, subtropics or temperate climate and growing in hardiness zone 3-10. And with the right care possible to grow in hardiness zone 11a.

Leaves grow in a sword-shaped, top of the leaves biased toward mostly bend to down, leaves grow in groups linked together.

Iris germanica flowers

Flower makes shape hollow area, flower color can be: purple, black, blue, pink, blue, white, red, maroon, yellow, orange or can be more than one color on the flower.

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How to grow Iris germanica – growing and care:

Covered soil – mulch, in the winter or when the plant is young

What is the best way to start growing?
Plant / Bulb / Vegetative Reproduction

Is it necessary to graft or use vegetative reproduction?
Yes, vegetative reproduction

Difficulties or problems when growing:
Aggressive, start to grow in one spot and send new growth without control

Planting season:
Spring in hardiness zone 3-8, spring to summer in hardiness zone 8-9, spring to autumn 10a, autumn to spring in desert hardiness zone 10b-11a and all the year in hardiness zone 10b-11a in subtropical but better not in the hot summer days.

How to plant:
Dig a hole as deep as the current root ball plus extra 20-40%, put in the hole organic matter, hummus and dried leaves and mix it with some soil, put the plant and loos little bit the root ball above the hole, plant and cover it and don’t push the soil too much strong but not too much lightly because it won’t be stable, after this put mulch to keep moist on soil, put water, for the next two weeks put every day (better in the morning) , better to take care that the plant will be stable.

Transplanting instruction:
Transplanting in the winter when the plant mostly go to dormant the moist important part it’s the corm, better to cut part of the roots and the leaves.

Pests and diseases:
Slug, leaf miner, spider mites

Pruning season:
All year, for reducing that amount of plant better to cut in the winter and better to pull the plant with the roots

How to prune:
Dead leaves and dead bloom stems, better not to cut leaves and bloom stems until dry because it has effect on the blooming

Size of the plant:
20-120 cm the leaves 20-50 the flowers until 120cm

Growth speed in optimal condition:
Fast growing

Water requirement:
Average amount of water / Big amount of water / can grow also in small amount of water, possible to let it without water for a long period, but the plant prefer regular water especially in the blooming season but with good drainage

Light conditions in optimal condition for growing:
Full sun/ Half Shade (can grow in less than full sun but then it will have less flowers)

Is it possible to grow indoor as houseplant?

Growing is also possible in a pot / planter /flowerpot / containers:
Yes, but in order to get flowers after few years need to check that the roots system not fill all the planter, if it’s full need to reduce that amount of plants or to increase the size of the container, except this need to pull old plants after having flowers, pruning the leaves and roots and reduce the amount of roots in the pots and let new roots to grow, every few need to check the soil that it’s still viable and if not take care of the soil by washing the old soil and put new, soil better to have potting mix or something similar.

Blooming information

Bloom season?
Winter, spring

General information about the flower:
Flower color can be: purple, black, blue, pink, blue, white, red, maroon, yellow, can be more than one color on the flower

How to grow Iris germanica from seeds

Sowing requirement:
Sunny location with good drainage

Saving seeds and care until sowing:
Dry and dark place, better to keep in in the refrigerate before need enough cold hours at least 6C.

Sowing season:
Spring in hardiness zone 3-8, spring to summer 9-10a, late winter to spring or autumn in hardiness zone 10b-11

How to plant:
Better to plant in vermiculite and keep it moist

Planting spacing:
20*30cm (8*12 inches)

Depth of Sowing:
0.5-1cm (0.25-0.5inches)

Conditions for seeds germinate:
Moist soil with light humidity

Watering requires for Seeds:
Average amount of water, keep soil moist but not over water and don’t let it dry

Germination time:
2-8 weeks

Condition of seedling:
Full sun, regularly water, keep the soil moist

Do the seeds require burying?
Yes, conditions to bury can be direct in the soil but in hotter area better to put in the coldest location of the refrigerator

Chilling hour’s requirements:
At least one month

Scientific name:

Iris germanica

How to grow Iris germanica

Iris germanica purple bicolor

Iris germanica purple flowers

Iris germanica purple cutflowers

Iris germanica purple yellow

Iris germanica blooming season

Iris germanica blooming

Iris germanica - all need to know

Iris germanica Yellow

Iris germanica white flower the inner part

Iris germanica flower the inner part

Iris germanica grow and care

Iris germanica plant information

Iris germanica white flower

Iris germanica close up flower

Iris germanica flowers

Iris germanica stamens and petal

Iris germanica Yellow flower

Growing Iris germanica

Iris germanica plant care


Blooming Seasons
  • Spring flowers
  • Winter flowers
Flower colors
  • Blue flower
  • Brown flowers
  • Orange flower
  • Pink flower
  • Purple flower
  • Red flower
  • White flower
  • Yellow flower
  • Mediterranean Climate
  • Subtropics Climate
  • Temperate Climate
Ornamental parts
  • Ornamental flower
  • Ornamental leaves
  • Ornamental plant
Plant growing speed
  • Fast growing plants
Plant life-form
  • Evergreen
  • Geophyte
  • Herbaceous
  • Perennial plant
Plant Uses
  • Floristry
  • Ground cover plants
  • Ornamental plants
Planting Season
  • Autumn Planting
  • Spring Planting
  • Summer planting
Plants sun exposure
  • Full sun Plants
  • Part shade Plants
Watering plants
  • Big amount of water
  • Regularly water
Hardiness zone
  • Hardiness zone 10
  • Hardiness zone 3
  • Hardiness zone 4
  • Hardiness zone 5
  • Hardiness zone 6
  • Hardiness zone 7
  • Hardiness zone 8
  • Hardiness zone 9