Iberis gibraltarica - Surface sow at 70ºF, germinates in less than two weeks. Needs light for
germination. After seedlings appear lightly cover with a thin layerof seed mix.

Iberis sempervirens - Germination in less than two weeks at 63ºF .  Surface sow seeds, light needed
for best results.,

Iberis sempervirens 'Snow Bird' - Surface sow at 70ºF, germinates in less than two weeks, Needs
light for germination. After seedlings appear lightly cover with a thin layer of seed mix.

Iberis sempervirens 'Snow White' - Surface sow at 75ºF, germinates in less than two weeks.  Needs
light for germination. After seedlings appear lightly coverwith a thin layer of seed mix.

Iberis umbellata - Surface sow at 75ºF, germinates in less than two weeks.  Needs light for
germination. After seedlings appear lightly coverwith a thin layer of seed mix.

Ilex verticillata -wash seed (3xdx14), Sow outdoors in December for spring germ.

Impatiens biflora - Surface sow seeds and sprinkle some seed medium on top, use 75-80ºF
germination in 5-12 days. Light needed for best germination.

Impatiens walleriana - Germination in less than two weeks at 77ºF .  Surface sow seeds, light needed
for best results.,

Incarvillea delavayi - Germination in less than two weeks at 68ºF,

Incarvillea delavayi - Lightly cover seeds, and use 70F, germination in 5-18 days.

Incarvillea delavayi var. brevipes - Lightly cover seeds, and use 70F, germination in 5-18 days.

Incarvillea mairei - Germination in less than two weeks at 68ºF,

Incarvillea olgae - Lightly cover seeds, and use 70F, germination in 5-18 days

Inula ensifola - Germination in less than two weeks at 60ºF .  Surface sow seeds, light needed for
best results.,

Inula helenium - Germination in less than two weeks at 60ºF .  Surface sow seeds, light needed for
best results.,

Inula orientals grandiflora  - Germination takes a few weeks 66-75ºF .  Surface sow seeds, light
needed for best results., slow germ.

Inula racemosa - Germination takes a few weeks 66-75ºF .  Surface sow seeds, light needed for best
results., slow germ.

Ipomoea alba - nick and soak, Germination in less than two weeks at 68ºF,

Ipomoea lobata - Germination in less than two weeks at 68ºF,

Ipomoea quamoclit - Germination in less than two weeks at 68ºF,

Ipomoea tricolor 'Minibar Rose'  - Nick  seeds and soak in warm water for 24 hours , Germination
in less than two weeks at 68ºF,

Ipomoea X imperials 'Mt Fuji Mix'  - Nick  seeds and soak in warm water for 24 hours ,
Germination in less than two weeks at 68ºF,

Ipomopsis multiflora - Germination in less than two weeks at 68ºF, , oscillate temps.

Ipomopsis rubra - Germination in less than two weeks at 68ºF, , oscillate temps.

Iris chyrsograhes  'Black Beauty' - Soak seed in a glass of hot water for three days, changing the
water with fresh hot water every 24 hours. Lightly cover seeds and keep moist at room  temps for
3 weeks. Place in fridge for six weeks, then move to 65F. germination starts in one week and can
last for many months.

Iris 'Kaempferi' 'Orient Hybrids Mixed' - Soak seed in a glass of hot water for three days, changing
the water with fresh hot water every 24 hours. Lightly cover seeds and keep moist at room  temps
for 3 weeks. Place in fridge for six weeks, then move to 65F. germination starts in one week and can
last for many months. Or after soaking sow in a pot with moist seed mix and seal in a plastic bag and
put outside in a sheltered spot in fall for germination in the spring.

Iris pseudacorus -  Soak seed in a glass of hot water for three days, changing the water with fresh
hot water every 24 hours. Lightly cover seeds and keep moist at room  temps for 3 weeks. Place in
fridge for six weeks, then move to 65F. germination starts in one week and can last for many
months.

Iris pseudacorus New Hybrids Mixed'  Soak seed in a glass of hot water for three days, changing
the water with fresh hot water every 24 hours. Lightly cover seeds and keep moist at room  temps
for 3 weeks. Place in fridge for six weeks, then move to 65F. Germination starts in one week and
can last for many months. Or after soaking sow in a pot with moist seed mix and seal in a plastic bag
and put outside in a sheltered spot in fall for germination in the spring.

Iris pseudacorus 'Yellow Queen'   Soak seed in a glass of hot water for three days, changing the
water with fresh hot water every 24 hours. Lightly cover seeds and keep moist at room  temps for
3 weeks. Place in fridge for six weeks, then move to 65F. germination starts in one week and can
last for many months.

Iris setosa ssp nana - Soak seed in a glass of hot water for three days, changing the water with fresh
hot water every 24 hours. Lightly cover seeds and keep moist at room  temps for 3 weeks. Place in
fridge for six weeks, then move to 65F. germination starts in one week and can last for many
months.

Iris sibirica 'New Hybrids'  - Soak seed in a glass of hot water for three days, changing the water
with fresh hot water every 24 hours. Lightly cover seeds and keep moist at room  temps for 3 weeks.
Place in fridge for six weeks, then move to 65F. germination starts in one week and can last for
many months. Do not discard seed trays for one year.

Isatis tinctoria - sow at 39ºF, germination in 7-14 days in dark

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