The image of flowers in the dream symbolizes your inner life and perhaps the unconscious is trying to tell you something. The Seven of Pentacles can indicate that your subconscious mind is encouraging you to take a step forward in your romantic relationship. The card also suggests being more aware of your emotions and committing yourself to overcoming any conflicts with your partner.
The reversed Eight of Wands represents current situations related to love. The card indicates that you may have some difficulty moving forward in your relationship, but it is important to note that this is only a momentary obstacle that can be overcome. You may need to pay more attention to the little things if you want to strengthen your bond with your partner.
The Hierophant represents inner wisdom and spiritual guidance. The card is reminding you that you must follow your heart and intuition to find happiness. This is especially important when it comes to love, as it's a journey you've taken together with someone. The Pope is reminding you that you should be true to yourself and your partner as you make important decisions about your relationship.
In conclusion, based on the interpretation of the tarot cards, it seems that dreaming of flowers can be a good sign for your romantic relationship. There are some challenges ahead, but they shouldn't be hard to overcome if you follow your heart and listen to your inner guidance. So, the answer to the question is: Yes, flowers in the dream can be a sign of good luck in love!