You can use your RS gold to buy them. Then we get beginning of farming. RSorder（buy rs 07 gold） will show you the instructions of farming in rs, watch as below:

The instructions of farming in the game

1-15: Go to the allotment patch near falador and maintain planting the best level plants that you can in every allotment. If you want, you can visit 4 distinct allotments from rs to boost your process. Also fill the compost bin, rake weeds and put compost for extra experience.

15-30: Today you can plant pine trees. Trees are usually your biggest part of experience in farming, but later they become too much costly. Plant oak trees in all 4 spots over rs because they will take a long time to grow. At level 20, stat planting sweetcorn, at level 26, start planting impart roots and finally begin planting the apple tree which takes a lengthy time to grow but provides a large quantity of experience and rs gold.

30-48: Start planting willow trees then banana trees. At level 31, plant berries. At level 36, begin doing bush runs between tree conducts planting seeds. Finally, begin planting watermelons which you can use for super compost.

48-99: At this time, you will need all the bonus items such as farming, such as magical secateurs, fairy ring and also the falador shield. You should not do any special seeds but for the calquatt tree at level 72. At level 68, change to snapdragon blossoms and always stick together with willow trees or walnut trees if you're richer.

Farming isn't an easy thing, you want some conditions such as patience, time and money. If you don't want to waste quite a while for farming, or your level isn't high, you can come to the dependable website -- RSorder to buy cheap rs gold and  rs account for sale to assist you farming filled with pleasure.