fern
سرخس
A fern is a lacy, primitive plant

fir tree
درخت صنوبر
A fir is an evergreen tree; it doesn’t lose its leaves in the winter

flower
گل
A flower makes seeds. Flowers are a plant’s reproductive organs. Hummingbirds, bees, butterflies, and other animals drink the sweet nectar that is made by flowers

forest
جنگل
A forest is a large group of trees and underbrush where many animals live

forget-me-nots
گیاه یا گل فراموشم نکن
Forget-me-nots are plants that have beautiful blue flowers

fruit
میوه
Fruit is the part of some plants that contains the seeds. Apples, strawberries, oranges, and bananas are fruit

garden
باغ
Plants grow in a garden

grapefruit
گریپ فروت
Grapefruits are a type of citrus fruit that sometime squirt you when you eat them

grapes
انگورها
Grapes are delicious fruit that grow on vines

grass
چمن
Grass is a common flowering plant that is found all over the world

green bean
لوبیا سبز
A green bean is a long, thin, green vegetable. It is pod that contains bean seeds. It is also called a string bean

greenhouse
گلخانه
A greenhouse is a building, usually made out of glass, in which people grow plants

hoe
بیل باغبانی،کج بیل
A hoe is a garden tool

holly
(درخت) راج
Holly is a tree with pointy leaves and red berries

iris
زنبق
Irises are beautiful flowers with long, thin, flat leaves

ivy
پیچک
Ivy is a vine

jumping bean
غلاف دانه است که کرم حشره در آن زندگی می کند. وقتی کرم حرکت می کند، غلاف دانه هم حرکت می کند. این کرم سرانجام به پروانه تبدیل می شود.
A jumping bean is a seed pod in which a caterpillar lives. When the caterpillar moves, the seed pod moves. The caterpillar will turn into a moth eventually

jungle
جنگل
A jungle is a wild tropical growth of trees, plants, and animals

kapok tree
نوعی درخت، درخت پنبه
The kapok tree is a large, deciduous tree that is native to tropical America, Africa, and the East Indies. This fast-growing tree is generally from 45 to 60 feet (14-18 m) tall; it is the tallest tree in Africa. The light-weight silky down from the seed pods is used as pillow stuffing, sleeping bag stuffing, and for other uses

kiwi
کیوی
The kiwi is a tangy fruit that grows in warm areas

lawn
چمن، زمین چمن، علفزار
A lawn is a place outside where grass grows

lawn mower
چمن زن، ماشین چمن زنی
You can cut the grass with a lawn mower

leaf
برگ
Plants use leaves to collect energy from sunlight

lemon
لیمو ترش
A lemon is a sour, yellow fruit

lettuce
کاهو
Lettuce is a leafy vegetable that is good in salads

lilac
یاس بنفش
Lilac is a shrub that has a pinkish purple-to-white blossoms

lily
(گل) سوسن
A lily is a funnel-shaped flower

lime
لیموترش
A lime is a sour, green citrus fruit

log
کنده (درخت)
A log is a short piece of a tree trunk

maple tree
درخت افرا
Maple syrup comes from maple trees

meadow
علفزار، مرتع
A meadow is a low, flat grassland

melon
خربزه
Melons are fruits that have a rind

mushroom
قارچ (خوراکی)
Mushrooms are fast-growing fungi. They grow in dark, damp places

nasturtium
(گل) لادن
Nasturtiums are plants with bright, pretty flowers and round leaves

nectarine
شلیل
A nectarine is a sweet, juicy fruit with smooth skin; it is related to the peach

nut
میوه مغزدار -مانند گردو، فندق، پسته و غیره.
A nut is a dry seed or fruit with a hard shell

olive
زیتون
An olive is an oily fruit that grows on an evergreen tree

onion
پیاز
Onions are sharp tasting vegetables

orange
پرتقال
Oranges are sweet, juicy fruit

orchid
ارکیده
Orchids are colorful flowers that live in warm areas

منبع: http://www.enchantedlearning.com/dictionarysubjects/plants.shtml